Replace Input Into Functions

What does the Y intercept of the graph represent?

• The initial speed the bungee jumper is falling.

• The initial height of the bungee jumper

• The lowest point the bungee jumper falls before bouncing upwards.

• The bungee jumper's final height.

If the graph shows price vs profit, what is the maximum profit? 

• 35

• 12,000

• 12,500

• 60

A value substituted for an x-value in a function

• Function Notation

• Input

• Output

• Vertical Line Test

If f(x) = x²-x+3, what would the function look like once you substitute in a -3 to find f(-3)?

• f(-3) = -3²-3+3

• f(-3) = (-3)² -(-3)+3

• f(-3) = (-3)² -3+3

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

Another name for the input of a function, or the value you put into the function

• Dependent variable

• Independent variable

• Interpolation

• Extrapolation

The result of substituting a value into a function

• Function Notation

• Input

• Output

• Vertical Line Test

A value substituted for an x value in a function.

• Output

• Function Notation

• Input

• Mapping

The result of substituting a value into a function.

• Output

• Function Notation

• Input

• Mapping

Which of the following best describes the graph?

• They are both functions, but not inverse functions.

• They are reflected over y=x, but they are not both functions.

• They are not reflected over y=x, and they are not both functions.

• They are inverse functions.