Semester 1 Math 3 Finals Review

f(x) is the same thing as ______.

• y
• x
• input
• an equation

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

What is f(6) for the function f(x)=3x-8

• -8

• 10

• -144

• answer not here

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

• -32

• -3

• -12

• 3

• 32

• 0

• -4

• 77

• 13

• 8

• 16

• answer not here

• 5

• 10

• 9

• -12

What is f(5) for the function f?

f(x) = 2(x - 7)

• 3

• -4

• -3

• 1

Find f(2).

• -2

• -18

• 24

• 6