Illustrative Math Algebra

The table below shows the snowfall in a north-eastern city in inches for the first week in January.

Find the average rate of change in the number of inches of snowfall from January 8 to January 11.

• 2/3 in.

• 2 in.

• 3 in.

• 6 in.

Who has the same rate of change?

• Dennis and Kameron have the same rate of change.

• Myriah and Kameron have the same rate of change.

• Dennis and Myriah have the same rate of change.

• They ALL have the same rate of change

Which type of function has a CONSTANT Rate of Change?

• Linear

• Exponential

• Quadratic

• none of these

Is the graph pictured a function?

• Yes

• No

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Evaluate f(-2) if f(x) = x+3

• -1

• 1

• 5

• -5

Evaluate f(-2) if f(x) = x²+ 3.

• -1

• 1

• 7

• -7

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 

• Not a Function