Evaluate Functions

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

Tags

CCSS.HSF.IF.A.1

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

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

Tags

CCSS.HSF.IF.A.2

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

• Let x = 2

• Let y = 2

Tags

CCSS.HSF.IF.A.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

Tags

CCSS.HSF.IF.A.1

CCSS.8.F.A.1

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

• -8

• 10

• -144

• answer not here

Tags

CCSS.HSF.IF.A.2

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

• -32

• -3

• -12

• 3

Tags

CCSS.HSF.IF.A.2

 $Given\ h\left(x\right)=x^2-4\ what\ is\ h\left(6\right)?$  

• 32

• 0

• -4

• 77

Tags

CCSS.HSF.IF.A.2

 $Given\ h\left(x\right)=3x^2-2x+8\ what\ is\ h\left(2\right)?$  

• 13

• 8

• 16

• answer not here

Tags

CCSS.HSF.IF.A.2

 $Given\ f\left(x\right)=2x-10\ for\ which\ value\ of\ x\ that\ f\left(x\right)=8?$  

• 5

• 10

• 9

• -12

Tags

CCSS.HSF.IF.A.2