Quiz about Explain the Meaning of the Function Notation

Question 1

A plant's height is a function of the time it has grown. Time is measured in weeks. What does the notation h(4) = 5 mean?

Accepted Answer

After 4 weeks the plant is 5 inches tall

Answer

After 5 week the plant is 4 inches tall

Answer

The plant grows at a rate of 5/4 inch per week

Answer

The plant grows at a rate of 1 inch per week

Question 2

The speed of the baseball is a function of the time since the baseball was hit by a bat. What does f(2) = 80 represent in this situation?

Accepted Answer

After 2 seconds the baseball is traveling at 80mph

Answer

After 80 seconds the baseball is traveling at 2mph

Answer

The baseball traveled 80mph for 2 seconds

Answer

The baseball traveled 2mph for 80 seconds

Question 3

The function R represents the rain total rainfall, in cm, after x hours. The graph of the function is shown.

Interpret the meaning of R (1.5) = 3

Accepted Answer

After 1.5 hours, 3 cm of rain has fallen.

Answer

After 3 hours, 1.5 cm of rain has fallen.

Answer

After 1.5 hours, 1.5 cm of rain has fallen.

Answer

After 3 hours, 3 cm of rain has fallen.

Question 4

A babysitter's salary can be represented by a function, S, where the input is the hours worked.

What does S(7) represent?

Accepted Answer

The salary of a babysitter who worked 7 hours.

Answer

The hours worked if the salary is $7.

Answer

The salary of a babysitter who worked 0 hours.

Answer

The hours worked if the salary is $0.

Question 5

Function F shows the distance a car traveled after h, hours. The graph is shown.

Estimate F(6) and explain its meaning.

Accepted Answer

240;

240 miles were traveled after 6 hours.

Answer

240;

240 hours passed after 6 miles were driven.

Answer

320;

320 miles were traveled after 6 hours.

Answer

320;

320 hours passed after 6 miles were driven.

Question 6

What is f(4) for this graph?

Accepted Answer

-4

Answer

0

Answer

1

Answer

4

Question 7

Translate the function notation into a coordinate point.

$$f\left(-1\right)=5$$

Accepted Answer

$$\left(-1,5\right)$$

Answer

$$\left(1,5\right)$$

Answer

$$\left(5,1\right)$$

Answer

$$\left(5,-1\right)$$

Question 8

Translate the coordinate pair into function notation.

$$\left(0,8\right)$$

Accepted Answer

$$f\left(0\right)=8$$

Answer

$$f\left(0\right)=-8$$

Answer

$$f\left(8\right)=0$$

Answer

$$f\left(-8\right)=0$$

Question 9

Translate the coordinate pair into function notation.

$$\left(0,8\right)$$

Accepted Answer

$$f\left(0\right)=8$$

Answer

$$f\left(0\right)=-8$$

Answer

$$f\left(8\right)=0$$

Answer

$$f\left(-8\right)=0$$

Question 10

What is x if
f(x) = -2?

Accepted Answer

8

Answer

4

Answer

0

Answer

3

Question 11

What is f(1)?

Accepted Answer

5

Answer

1

Answer

0

Answer

4

Question 12

Evaluate f(-2) if f(x) = x+3

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Explain the Meaning of the Function Notation

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