Characteristics of Functions Review

Determine whether the mapping diagram represents a function.

• Function

• Not a function

Tags

CCSS.8.F.A.1

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Determine the interval in which this function is INCREASING.

• (-4, ∞)

• (-3, ∞)

• (∞, -3)

• (-∞, -4)

Tags

CCSS.HSF-IF.C.7A

A function is a type of rule in which each ​ (a)   results in exactly one ​ (b)   .​

• input

• output

• linear

• nonlinear

• straight line

Tags

CCSS.8.F.A.1

The graph is a picture of both ​ (a)  

• relation

• function

• domain

• range

• x-intercept

• y-intercept

• rate of change

• minimum

• maximum

• extrema

Answer explanation

Extrema are both the highest (maximum) point and the lowest (minimum) points.

What is true about this function?

• It is Quadratic

  decreasing

  x-intercept: (.25,0)

  y-intercept: (0,-1)

• It is Exponential

  decreasing

  x-intercept: (0,.25)

  y-intercept: (-1,0)

• It is Quadratic

  increasing

  x-intercept: (-.25,0)

  y-intercept: (0,0)

• It is Exponential

  increasing

  x-intercept: (-.25,0)

  y-intercept: (0,-1)

• None of the above

Tags

CCSS.HSF-IF.C.7E

The picture ​ (a)   a function because every ​x ​ (b)   point to exactly one y.

• shows

• does not show

• does

• does not

Tags

CCSS.8.F.A.1

Evaluate f(1)

• 0

• 1

• 2

• 4

Evaluate f(2)

• -8

• -1

• 1

• 8

Tags

CCSS.HSF.IF.A.2