Functions

Alicia and Melissa did jumping jacks. The table shows the number of jumping jacks that Alicia had done in different amounts of time. The graph shows the number of jumping jacks that Melissa had done in different amounts of time. Which choice best describes the difference between the rates at which the girls did jumping jacks?

• Melissa did 6 more jumping jacks per minute than Alicia.

• Alicia did 6 more jumping jacks per minute than Melissa.

• Melissa did 5 more jumping jacks per minute than Alicia.

• Alicia did 5 more jumping jacks per minute than Melissa.

Tags

CCSS.8.EE.B.5

Which statement is true about the function f(x) = 6x + 2 and the linear function that fits the values in the table?

• f(x) has the same slope as g(x).

• f(x) has the same y-intercept as g(x).

• f(x) has the same x-intercept as g(x).

• f(x) and g(x) are the same function.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• The y-intercept of Function A is less than the y-intercept of Function B.

• The y-intercept of Function A is greater than the y-intercept of Function B.

• The y-intercept of Function A is equal to the y-intercept of Function B.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which function has a greater rate of change than the function that passes through the points given in the table below?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which of the following is the correct definition of a function?

• A relation where each input has exactly one output

• A relation where each input has multiple outputs

• A relation where each output has multiple inputs

• A relation where inputs and outputs are the same

Tags

CCSS.8.F.A.1

If your original equation is a function (every x value has only 1 y value) AND the inverse equation is also a function. This means that the original function is called a _______________

• One-to-one function

• A merry-go-round function

• Inverse Function

• Flip Flopper function

A function is _____________ if no two elements of the domain map to the same element in the range

• One to One

• Two to Two

• Skipped

• Two to One

For a function to be a one-to-one function, For every x there must be one y and for every y there must be one x

• True

• False

Which of the following represents a function?

Tags

CCSS.8.F.A.1

Which function is not one-to-one on its domain?

• f(x) = x²

• f(x) = 10^x

• f(x) = √x

• f(x) = log x

Tags

CCSS.HSF-BF.B.4D