Functions & Linear (IE)

Open Ended

When given a graph, like the ones shown, how do you determine if it is a function?

Fill in the Blanks

During the winter, the amount of water that flows down a river remains at a low constant. In the spring, when the snow melts, the flow of water increases drastically, until it decreases to a steady rate in the summer. The flow then slowly decreases through the fall into the winter. Which graph represents this situation?

Multiple Choice

Does this graph represent a linear or nonlinear relationship?

• Linear

• Nonlinear

Multiple Choice

Which is the graph of y=-x+2?

• A
• B
• C
• D

Multiple Choice

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

Multiple Choice

Is this is a function or not a function?

• Function
• Not a Function