Equations as Functions & Slope

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Find the range of the function y=7x-1 when the domain is {-1, 0, 1}

• {1, 6, 8}
• {-8, -1, 6}
• {-8, -6, 0}

If my function rule is 4x, what is the OUTPUT if the input is 5?

• 45

• 54

• 9

• 20

Find the missing OUTPUT value.

• -2

• 3

• 9

• -7

If y=4x+5, what does y equal when x is 4?

• 21

• -11

• -31

• 25

Fill in the missing value.

• 1
• 3
• 2
• 4

Fill in the missing value.

• -81
• -61
• -41
• 119

Find the range of the function y = 10x + 7 when the domain is {-1, 0, 1}.

• {-3, 7, 17}

• {3, 0, 10}

• {-7, 7, 17}

• {0, 1, 2}

Find the slope

• -3/4
• 4/3
• 3/4
• -4/3

Find the slope

• 4/5
• 5/4
• -5/4
• -4/5