Unit 3 Test Review

What is a function?

• A special relation in which each input value is mapped to exactly one output value.

• A special relation in which each output value is mapped to exactly one input value.

• A special relation in which each input value is mapped to more than one output value.

• A special relation in which each output value is mapped to more than one input value.

What is the Domain of a function?

• The output values of the function.

• Always all real numbers.

• The input values of the function.

• Never all real numbers.

What is the Range of a function?

• Never all real numbers.

• The output values of the function.

• The input values of the function.

• Always all real numbers.

What is the maximum value of a function?

• The input value of the lowest point on the function.

• The input value of the highest point on the function.

• The output value of the lowest point on the function.

• The output value of the highest point on the function.

What is the minimum value of a function?

• The input value of the lowest point on the function.

• The input value of the highest point on the function.

• The output value of the lowest point on the function.

• The output value of the highest point on the function.

If a graph fails the Vertical Line Test, then the graph is _____________.

• not a function

• a function

• discrete

• continuous

An interval of the domain where the function values are always getting larger.

• Increasing

• Decreasing

• Positive

• Negative

An interval of the domain where the function values are all below the x-axis.

• Increasing

• Decreasing

• Positive

• Negative

An interval of the domain where the function values are all above the x-axis.

• Increasing

• Decreasing

• Positive

• Negative

An interval of the domain where the function values are always getting smaller.

• Increasing

• Decreasing

• Positive

• Negative