Evaluating Functions and Linear Functions

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.8.F.A.1

f(x) = 4x+5, what is f(4)?

• 21

• -11

• -31

• 25

Tags

CCSS.HSF.IF.A.2

What is f(x) = 2x+2 if f(x) = 2?

• 6

• -8

• 10

• 0

Tags

CCSS.HSF.IF.A.2

Evaluate f(x) = x² if f(-8).

• 64

• -64

• -16

• 16

Tags

CCSS.HSF.IF.A.2

If g(x) = x ² - 4, find g(5).

• 6

• 1

• 21

• -21

Tags

CCSS.HSF.IF.A.2

Which of the following function follows the form f(x) = mx + b?

• exponential function

• linear function

• polynomial function

• quadratic Function

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Tags

CCSS.8.EE.B.5

What is the slope of all horizontal lines?

• 0
• undefined
• 1
• -1

Tags

CCSS.8.EE.B.5

What is the y-intercept of the equation:

y = 2x - 3?

• -2

• 2

• 3

• -3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

It is a test used to determine if the graph of a relation is a function.

• Horizontal line test

• Post line test

• Vertical line test

• Hove line test

Tags

CCSS.HSF.IF.A.1