Exploring Change in Tandem in Precalculus

What is the term used for the set of input values in a function?

• Response Variable

• Dependent Variable

• Domain

• Range

In the context of functions, what does the variable 'T' typically represent?

• Speed

• Distance

• Time

• Height

Which of the following is NOT a way to express a function?

• Numerically

• Physically

• Analytically

• Verbally

What does it mean for a function to be increasing?

• As input values increase, output values increase.

• As input values increase, output values remain constant.

• As input values increase, output values decrease.

• As input values decrease, output values increase.

If a function is decreasing, what is true about its input and output values?

• As input values decrease, output values remain constant.

• As input values increase, output values decrease.

• As input values decrease, output values increase.

• As input values increase, output values increase.

What is the term for the point where a graph intersects the x-axis?

• Y-intercept

• Inflection Point

• Zero

• Maximum

What is the shape of a graph that is concave up?

• Like a straight line

• Like a regular bowl

• Like an upside-down bowl

• Like a zigzag

What is the term for the point where the concavity of a graph changes?

• Zero

• Y-intercept

• Inflection Point

• Maximum

In interval notation, how would you represent a function that is increasing from 4 to 20?

• (4, 20)

• [4, 20]

• (4, 20]

• [4, 20)

What is the y-intercept of a function?

• The point where the graph intersects the y-axis

• The point where the graph intersects the x-axis

• The highest point on the graph

• The lowest point on the graph