Function notation

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

• -1
• 1
• 5
• -5

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

f(x) is the same thing as ______.

• y
• x
• input
• an equation

f(x) = x-9 find f(4)

• -13

• 5

• -5

• 13

f(x) = x-2 find f(4)

• -2

• 6

• 2

• 4

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis