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Rate of change:. The maximum speed of a truck up a steep hill is 50 mph..?
The maximum speed of a truck up a steep hill is 50 mph with no cargo. With 20 tons of cargo, its maximum speed is 40 mph.
a. Calculate the rate of change and explain the meaning of this rate of change in the context. (Hint: use the information to write 2 points (x1, y1) and (x2, y2), then calculate the rate of change)
b. Write the equation of this function. Define the variables.
c. For what weight of cargo does the equation predict a maximum speed of 0 mph?
