F-IF Interpreting Functions (Math 1 EOC Review)

INACTIVE: The total cost, in dollars, of membership to a gym is given by the function $$c(m)=30m+20$$ , where m is the number of months a person is a member. In dollars, how much is the cost of a membership for 1 year?

(a)  

Jasmine is going to the skating rink.

• The cost to rent roller skates for x hours is given by the function $$f(x)=1.25x+2.00$$ .

• The cost to rent rollerblades for x hours is given by the function $$h(x)=2.00x+1.50$$ .

If Jasmine rents the roller skates for 2 hours, how much cheaper will it be than if she had rented rollerblades?

(a)  

The function $$f\left(x\right)=10\left(2\right)^x$$ represents the prediction of the population of coyotes in an area x years after the year 2023. What is the predicted number of coyotes in the area in 2026?

(a)  

The area of a square can be written as a function of its edge length, $$A(x)=x^2$$ . Which is a correct interpretation of $$A(3x)$$ ?

The function $$a(n)=4n-6$$ represents the value of the nth term in a sequence. What is the product of the 1st and 4th terms of the sequence?

(a)  

A function is shown below. $$h(x)=18.30-1.24x$$ What is the value of $$h(20)$$ ?

(a)  

Which function has the largest value for $$f(-3)$$ ?

Two functions are shown.

$$f(x)=32(0.5)^x$$

$$g(x)=12x+16$$

What is the value of $$f(4)+g(2)$$ ?

(a)  

A function is shown. $$f(x)=-\frac{2}{3}x+k$$

If $$f(18)=-7$$ , what is the value of k?

(a)  

The function $$f\left(x\right)=-2x^2+10x$$ models the height above the ground, in cm, of a jumping frog where x is the horizontal distance, in cm, the frog traveled during the jump. What was the horizontal distance, in cm, that the frog traveled during its jump?

(a)