2-4 Evaluate functions

What is the value of f(0)?

• -2
• 2
• 4
• 0

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

f(x) is the same thing as ______.

• y
• x
• input
• an equation

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

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

• Let x = 2

• Let y = 2

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

What is f(6) for the function f(x)=3x-8

• -8

• 10

• -144

• answer not here

$f\left(x\right)=5x-12$ What is $f\left(-4\right)$

• -32

• -3

• -12

• 3

Given f(x) = 2x - 10 , for which value of x is f(x) = 8

• 5

• 10

• 9

• -12

What is f(2)?

• -4
• 8
• 0
• 5