Math
posted by Emily .
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!
6.The price for x pounds of cheese at $6.99 per pound (LINEAR FUNCTION)
7. A car accelerating on the highway to reach a speed of 62 mph then slowing down for a traffic jam. (NOT A LINEAR FUNCTION)
8. A runners heart rate while running on a treadmill with inclines increasing every 7 minutes. (LINEAR FUNCTION)
9.The price for y pounds of strawberries at $2.99 per pound (LINEAR FUNCTION)
10. The amount of money remaining on a movie gift card after renting one movie a week for 6 weeks (LINEAR FUNCTION)

Math 
bobpursley
8 is probably not linear with time, nor slope, but I suspect your teacher wants you to say linear.
others ok.
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