MULTIPLE CHOICE QUESTION What does it mean to have a piecewise-defined function? To have only a linear function
To have more than one function
To have a function that is graphed wisely​

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

What are the excluded values? m+5/mn+3m

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3