Functions Review - GLOW

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

• Let x = 2

• Let y = 2

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

• Let x = 2

• Let y = 2

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

• -32

• -3

• -12

• 3

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360
• h(8) = -67

If I know that f(2) = 4, what is another way I can write my answer?

• 2,4

• (2, 4)

• That is the only way to write it.

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

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

• -1
• 1
• 5
• -5

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Given g(x) =
 4x - 7, find g(-9). 

• g(-9) = 29
• g(-9) = -43
• g(-9) = -29

• g(9) = -43