Function Notation

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Find f(-3)

If f(x) = 4, Find the value for x.

Given f(x) =

2x² + 5x - 17, find f(-1).

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

Given f(x) = - 4x - 10 and find x when f(x)=10.

g(x) = x + 1

g(2) = ______

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

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall
• The plant grows at a rate of 5/4 inch per week
• After 4 weeks the plant is 5 inches tall
• The plant grows at a rate of 1 inch per week

What is f(1)?