Function Notation Review

Given that f(x) = 2x - 2.  Find the value of f(0) + 15.

• 13
• 15
• 17
• 0

Given that g(x) = -3x and h(x) = 3x.  Find the value of g(1)⋅h(1)

• -9
• -6
• 0
• 3

Given that f(x) = 4x and g(x) = 3x - 5.  Find the value of f(2) - g(1)

• 8
• 10
• 12
• -12

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

If f(x) = 2x² + 5x - 3, evaluate f(-1).

• -6

• 1

• -10

• -1

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

f(x) is the same thing as ______.

• y
• x
• input
• an equation

• 3

• -4

• 5

• -7

• 4

• 3

• -4

• 6

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