Mathematics High School

3. Marcus records the total number of calories burned after each meal he
walks. Is this relation a function?

Answers

Answer 1

Answer:

i think its a

Step-by-step explanation:

dont get mad at me if its wrong

Answer 2

A function is a relationship between inputs where each input is related to exactly one output.

f(1) = 97

f(2) = 194

f(3) = 291

Where f(x) is the calories burned.

x is the number of miles walked.

Yes, the given relation in the table is a function.

What is a function?

A function is a relationship between inputs where each input is related to exactly one output.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

Function:

Miles walk = input

Calories burned = output

We know that,

A function can have many-to-one and one-to-one.

A function can not have one-to-many.

Now,

From the table,

f(1) = 97

f(2) = 194

f(3) = 291

We see that the relation is a function.

The relation is a one-to-one relation.

Thus,

The given relation in the table is a function.

Learn more about functions here:

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Related Questions

1.2983 rounded to nearest hundredth

Answers

Answer:

1.3000

Step-by-step explanation:

The 9 makes the 2 move to 3. Hope this helps.

Answer:

1.30

Step-by-step explanation:

its rounding to the hundredth

Which situations most likely involve the use of decimals? Choose more than one answer.

Counting the number of apples in a basket
Measuring a person's height in meters
Calculating the price of an item after tax
Predicting the next full moon
Comparing the batting averages of two baseball players
Estimating the weight of an elephant

Answers

Answer:

Estimating the weight of an elephant

Step-by-step explanation:

Put an elephant onto a large boat and the marker that the water rises to Minus the starting point

can someone answer this pls

Answers

Could you show me the entire picture, I can only see answer choice A

A
The answer should be A

Write the number in standard form. 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000)

Answers

Answer:

374.392

Step-by-step explanation:

3*100=300

4*10=40

7*1=7

3*(1/10)=0.3

9*(1/100)=0.09

2*(1/1000)=0.002

Put them together and you get 347.392

A store sells 12-packs of ballpoint pens for $1.09 each and composition books for $2.79 each. Cindy buys m packs of ballpoint pens and n composition books. The store offers a 5% discount for every 50th customer who makes a purchase. If Cindy gets the 5% discount, which expression will represent Cindy’s bill?
A.
0.05 − 1.09m + 2.79n
B.
1.05 + 1.09m + 2.79n
C.
1.05(1.09m + 2.79n)
D.
0.95(1.09m + 2.79n)

Answers

Answer:

Step-by-step explanation:

100% is 1-

5% is 0.05

1-0.05 = 0.95

0.95(1.09m + 2.79n)

Answer:

Step-by-step explanation:

Eli wanted to order candy online. Company A is offering 2 1/2 pounds of chocolate for $32.00. How much is Company A charging per pound of chocolate?

A. $12.80 per pound of chocolate

B. $16.25 per pound of chocolate

C. $0.07 per pound of chocolate

D. $15.75 per pound of chocolate

Answers

Answer:

A) $12.80 per pound of chocolate

Step-by-step explanation:

As, 2 1/2 pounds = 5/2 = 2.5

So for 2.5 pounds = $32

For 1 pound = 32/2.5 = 12.80

So, = 12.80

All basketballs at a sporting goods store were marked down 25% during the first week of a sale. During the third week, all remaining basketballs were marked down an additional 30%. If a basketball was originally $22, how much does it cost during the third week?

Answers

Answer:

selling price= $9.9

Step-by-step explanation:

Giving the following information:

During the third week, all remaining basketballs were marked down an additional 30%.

Original price= $22

To calculate the selling price in the third week, we need to use the following formula:

selling price= original price*(1 - markdown)

selling price= 22*(0.45)

selling price= $9.9

How do I solve this?

Answers

The angle next to 28x is 180-28x
In the triangle you have
(180-28x) + 48 + 16x =180
X=4

What is the Sum of (2n^−5n−6)+(−n^2−3n+11)?

Answers

Answer:

Answer:

(4,1)

Step-by-step explanation:

hope that can help!!

Joshua was offered a job that paid a salary of $77,500 in its first year. The salary was set to increase by 2% per year every year.
If Joshua worked at the job for 5 years, what was the total amount of money earned over the 5 years, to the nearest whole
number?

Answers

Answer:

if you want it as dollars and cents it is $77.50 but in nearest whole number it would be 78 dollars

Step-by-step explanation:

step 1: multiply the 2 by 5 and you get 10%

step two: you put 10 over 100 and multiply 77,500

10/100 x 77,500/1= $77.50

but when you roung it off you get 78 dollars

Answer: joshua earned $403,313 over 5 years

Step-by-step explanation:

Find the slope of the line that contains the points (-10,-16) and (-13,7)

Answers

Answer: -23/3

Step-by-step explanation:

M= 7+16/-13+10

the sum of a number and 6 is no less than 31

Answers

Answer:

n + 6 > 31

Answers

Answer:

a. The company's profit function P(x, y, z) = 24x +12y +16z – 0.2x^2 – 0.1y^2 – 0.1z^2 – 26

b. The number of cars that must be sold in each market are 60 in America, also 60 in Europe and 80 in Asia.

Step-by-step explanation:

Note: This question is not complete and it has some errors in the figures used. The correct complete question is therefore provided before answering the question as follows:

An automobile manufacturer sells cars in America, Europe, and Asia, charging a different price in each of the three markets. The price function for cars sold in America is p = 27 − 0.2x (for 0 ≤ x ≤ 135), the price function for cars sold in Europe is q = 15 − 0.1y (for 0 ≤ y ≤ 150), and the price function for cars sold in Asia is r = 19 − 0.1z (for 0 ≤ z ≤ 190), all in thousands of dollars, where x, y, and z are the numbers of cars sold in America, Europe, and Asia, respectively. The company's cost function is C = 26 + 3(x + y + z) thousand dollars.

(a) Find the company's profit function P(x, y, z). [Hint: The profit will be revenue from America plus revenue from Europe plus revenue from Asia minus costs, where each revenue is price times quantity.]

P(x, y, z) =

(b) Find how many cars should be sold in each market to maximize profit. [Hint: Set the three partials Px, Py, and Pz equal to zero and solve. Assuming that the maximum exists, it must occur at this point.]

The explanation to the answers is now given as follows:

p = price function for cars sold in America = p = 27 − 0.2x (for 0 ≤ x ≤ 135)

q = price function for cars sold in Europe = 15 − 0.1y (for 0 ≤ y ≤ 150)

r = price function for cars sold in Asia = 19 − 0.1z (for 0 ≤ z ≤ 190)

C = company's cost function = 26 + 3(x + y + z) = 26 + 3x + 3y + 3z

P(x, y, z) = profit function

x, y, and z are the numbers of cars sold in America, Europe, and Asia, respectively

Therefore, we have:

TR = Total revenue = px + qy + rz …………………………….. (1)

Substituting the relevant values into equation (1), we have:

TR = (27 − 0.2x)x + (15 − 0.1y)y + (19 − 0.1z)z

TR = 27x – 0.2x^2 + 15y – 0.1y^2 + 19z – 0.1z^2

Also,

P(x, y, z) = TR – C ……………………………………… (2)

Substituting the relevant values into equation (2), we have:

P(x, y, z) = 27x – 0.2x^2 + 15y – 0.1y^2 + 19z – 0.1z^2 – (26 + 3x + 3y + 3z)

P(x, y, z) = 27x – 0.2x^2 + 15y – 0.1y^2 + 19z – 0.1z^2 – 26 – 3x – 3y – 3z

P(x, y, z) = 27x – 3x +15y – 3y +19z – 3z – 0.2x^2 – 0.1y^2 – 0.1z^2 – 26

P(x, y, z) = 24x +12y +16z – 0.2x^2 – 0.1y^2 – 0.1z^2 – 26 ……………….. (3)

Therefore, the company's profit function P(x, y, z) = 24x +12y +16z – 0.2x^2 – 0.1y^2 – 0.1z^2 – 26.

As indicated in the question, the number cars that should be sold in each market to maximize profit can be calculated by deriving the three partials Px, Py, and Pz from the profit function P(x, y, z), i.e. equation (3) in part a above, and set equal to zero and then solve as follows:

In America

From equation (3), we have:

Px = 24 – 0.4x = 0

Therefore, we have:

24 – 0.4x = 0

24 = 0.4x

x = 24 / 0.4

x = 60

In Europe

From equation (3), we have:

Py = 12 – 0.2y = 0

Therefore, we have:

12 – 0.2y = 0

12 = 0.2y

y = 12 / 0.2

y = 60

In Asia

From equation (3), we have:

Pz = 16 - 0.2z = 0

Therefore, we have:

16 - 0.2z = 0

16 = 0.2z

z = 16 / 0.2

z = 80

Based on the above calculations, the number of cars that must be sold in each market are 60 in America, also 60 in Europe and 80 in Asia.

What is the LCD of 20 and 12?

Answers

Answer:

Step-by-step explanation:

Hiya! Does anyone know this? Plz help!

Answers

I think it is Ben

i had to do dis cuz of mininum 20 characters

Answer: Ben

Step-by-step explanation: Because rational numbers can be described as fractoins deicmals and repeating numbers

Steve made $50 raking leaves and $75 mowing lawns. He gave 60% of his earnings to his mother. How much did Steve give to his mother?

Answers

Answer:

Step-by-step explanation:

75+50= 125

125*60%= 75 to his mother.

Answer:

Steve gave $75 to his mother.

Thus, Steve gave $75 to his mother.

If DB = 36 and AC = 3x - 3, what is the value of x?

Answers

Answer:

A.) 13

Step-by-step explanation:

Since DB =36, and AC is the same line, then AC = 36. The new equation is 36 = 3x - 3. Do inverse operation. Add 3 to both sides of the equation: 36+3=39 & -3+3=0. New equation is 39=3x. Finally divide. 39/3= 13.

The cost of two pants and four shirts is $55.85. If a pant costs $7.25 more than a shirt, find the cost of a pant and a shirt. Estimate to the nearest whole number.
Cost of a shirt is $6 and cost of a pant is $13
Cost of a shirt is $7 and cost of a pant is $14
Cost of a shirt is $8 and cost of a pant is $14
Cost of a shirt is $7 and cost of a pant is $13

Answers

Hey Emma Here!

Answer:

Step-by-step explanation:

55.85 divided by 7.25 is 7. something sooooo if pants cost 7 dolars more thats 14

The cost of a shirt is $7 and the cost of a pant is $14.

The answer is option B.

What is an example of a word problem?

Word problems normally include mathematical modeling questions, where records and information approximately a positive machine is given and a student is needed to expand a model. For example, Jane had $5.00, then spent $2.00. How much does she have now?

Learn more about Word problems here: brainly.com/question/13818690

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Evaluate [tex]\frac{u}{z} +xy^3[/tex], for u = 18, x = 8, y = 10, and z = 2.

Answers

The explanation is on the board just tell me if you have questions

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3. Marcus records the total number of calories burned after each meal he walks. Is this relation a function?

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3. Marcus records the total number of calories burned after each meal he
walks. Is this relation a function?