November 3rd

f(x) is the same thing as ______.

• y
• x
• input
• an equation

g(x) = x + 1
g(8) = ______

• 9
• 8
• 7
• 6

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

• 0
• -3
• 3
• -1

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

g(9) = 2x + 1 means?

• substitute 9 for x

• multiply the variable g time 9

• y is equal to 9

• 2x + 1 equals 9

h(x) = 3x + 1 evaluate when h(x) = 10 is the same as saying

• substitute 10 for x

• on a graph y = 10 for this function

• multiply h by 10

• the 10th value of h will be 3x + 1

Function or not a function?

• Function
• Not a Function

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

Evaluate f(-2) if f(x) = -1/2x + 3

• 2
• -2
• 4
• -1

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49