Basic Functions Review

Does this table represent a function?

• Yes

• No

• Function
• Not a Function

$f\left(x\right)=5x-12$ What is $f\left(-4\right)$

• -32

• -3

• -12

• 3

• 13

• 8

• 16

• answer not here

Is the following graph a function?

• Yes, because the x never repeats.

• Yes, because they are individual dots.

• No, because the x repeats.

• No, because it is not a line.

Is this is a function or not a function?

• Function
• Not a Function

Is it a function?

• It IS a function.

• It IS NOT a function

Write the function rule for the following table.

•  5x
• 5x + 1
•  x + 5
•  x + 1

Patrick earns $20 for every lawn that he mows. Write an equation used to find t, the total amount of money he earns from mowing n lawns.

• n = 20t
• t = 20n
• t = n + 20
• t = n - 20

A pizzeria charges $12 per pizza plus an additional $3 for delivery. Which equation represents the cost of having any number of pizzas delivered?

• c = 12p + 3
• c = 12p
• c = 3p
• c = 12 + 3p