function notation

f(x) is the same thing as ______.

• y
• x
• input
• an equation

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

• -1
• 1
• 5
• -5

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360
• h(8) = -67

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

What is f(1)?

• 1
• 5
• 0
• 4

What is x if
f(x) = -2?

• 4
• 0
• 3
• 8

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20
• 10
• 5
• 0