Functions

What describes a function?

• A relation where each output has exactly one input

• A relation where each input has exactly one output

• A relation where each input can have multiple outputs

• A relation where inputs and outputs have no correlation

Tags

CCSS.8.F.A.1

Which of statement is ALWAYS true about linear functions?

• They ALWAYS have a decreasing slope

• They ALWAYS have a positive slope

• They have a constant slope

• They have a y-intercept at 0

Tags

CCSS.8.EE.B.5

Draw the function f(x)=3x+2

In function f(x), what does f(4) mean?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which does domain refer to in functions?

• Output of the function at x=0

• Values of the function that are not real numbers

• Set of all possible inputs

• Set of all possible outputs

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What does it mean for a value to be "undefined" on a function?

• y=0 on a function

• The value at x=0

• The value exists on the given function

• The value does not exist on the given function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If f(x)=3x+2, what is f(4)?

• 14

• 11

• 8

• 23

Tags

CCSS.HSF.IF.A.2

What is the range of f(x)=2x?

• (negative infinity, infinity)

• (0, infinity)

• (negative infinity,0)

• (0,0)

If f(x)=2x and g(x)= 2x+2, what is f(g(2))?

Tags

CCSS.HSF-BF.A.1C

Which of the following functions represents exponential growth?

• f(x)=3^x

• f(x)= x+3

• f(x) =root x

• f(x)=x-2