Quiz about Functions

Question 1

A system of equations is shown.

![](http://admin.getprephub.com/media/editor/spr14_20230225134614334870.png)
What is a solution to the system?

Accepted Answer

Covalent bond

Answer

$$(5,-1)$$ and $$(2,5)$$

Answer

$$(5,1)$$ and $$(2,5)$$

Answer

$$(5,-1.5)$$ and $$(2,4.5)$$

Answer

$$(5.5,-1)$$ and $$(2,1.5)$$

Question 2

Which graph represents a function whose domain is the set of non-negative real numbers?

Accepted Answer

Covalent bond

Answer

![](http://admin.getprephub.com/media/editor/spr17s_20230225194935332728.png)

Answer

![](http://admin.getprephub.com/media/editor/spr17ss_20230225194947109522.png)

Answer

![](http://admin.getprephub.com/media/editor/spr17sss_20230225195001934298.png)

Answer

![](http://admin.getprephub.com/media/editor/spr17ssss_20230225195013091351.png)

Question 3

Ryan works for a delivery service. The function $$f(n)$$ is used to calculate his daily pay, in dollars, on a day when he makes $${n}$$ deliveries.

$$f(n)=7 n+96$$

Use the function to complete the table shown.

![](http://admin.getprephub.com/media/editor/spr3_20230225193516531890.png)

Accepted Answer

Covalent bond

Answer

7

Answer

8

Answer

9

Answer

10

Question 4

The population of snails in a tank at the aquarium is found to triple every year. Mark visits the aquarium and counts 80 snails in the tank.

Write a function $$f(n)$$ to model the number of snails in the tank $$n$$ years after Mark's visit.

Accepted Answer

Covalent bond

Answer

$$f(n)=80.2^{n}$$

Answer

$$ f(n)=80.3^{n}$$

Answer

$$f(n)=80 . f(1)$$

Answer

$$f(n)=40.2^{n}$$

Question 5

Some values for a function are shown in the table.

![](http://admin.getprephub.com/media/editor/spr8_20230225194040767411.png)
Which statement best describes the function?

Accepted Answer

Covalent bond

Answer

It is not linear because $$f(x)$$ does not increase by a constant amount compared to $$x$$.

Answer

It is not linear because $$f(x)$$ increases by a constant amount compared to $$x$$.

Answer

It is linear because $$f(x)$$ decreases by a constant percentage compared to $$x$$.

Answer

It is not linear because $$f(x)$$ does not decrease by a constant percentage compared to $$x$$.

Ohio State Functions Algebra 1 Maths Problems and Solutions