Algebra Function Notation

Using f(x) , g(x) , or h(x) instead of y is called using ......

• Slope Notation

• Variable Notation

• Intercept Notation

• Function Notation

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

• Let x = 2

• Let y = 2

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

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

What is f(1)?

• 1

• 5

• 0

• 4

Given f(x) = x² - 3 + 2x, find f(6).

• 45

• 21

• 33

• 17

f(x) is the same thing as ______.

• y

• x

• input

• Fred X

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.

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

• -1

• 1

• 5

• -5

Given g(x) =
 4x - 7, find g(-9). 

• g(-9) = 29

• g(-9) = -43

Given f(x) = x² - 1, what is the value of f(10)?

• 100

• 19

• 99

• 9