Function Notation Finding Input

What is g(7) if:

• -17

• -13 

• 13       

• 17

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

For the function: f(x) = 7(x - 11),

f (16) = _____

• 5

• 35

• 16

• 28

What is the value of f(0)?

• -2

• 2

• 4

• 0

• 1

• 2

• 3

• 4

For what value of x does f(x) = -2?

• 0

• -5

• 3

• -3

Your grade in algebra class is a function of how many proficient scores you earn. This function is represented by g(x), where x represents the number of proficient scores and g(x) represents your grade percentage. Explain what g(16) = 85 means in context.

• A grade of 16 means there were 85 proficient

• If I earn 16 proficient scores then my grade will be an 85%

• g is 5.3

• If I earn 85 proficients I will get a 16%

In Function notation, like f(x) = 3x + 2, the input is the . . .

• x

• 3x+2

• f(x)

• 2

Find the input of this function machine.

• -2

• 1

• 8

• No Solution

Write the following in function notation. ABC Furnace charges $75 to make a house call and then $50 an hour after that.

• f(x) = 75x + 50

• f(x) = 50x - 75

• f(x)= 50x + 75