9.4 (a) The revenue (in dollars) for selling r lawn mowers is R(z). i. What are

Question

9.4 (a) The revenue (in dollars) for selling r lawn mowers is R(z). i. What are the units for the derivative R(r)? ii. What are the units for the average rate of change in revenue? ure (n degrees Fahrenheit) t hours after noon is T() (b) The temperat i. What are the units for the derivative T (t)? ii. What are the units for the average rate of change in temperature? (c) Farmer Fred plants a four-foot tall tree. It grows to a height of H(t) after t years. Explain what H(11) H (5) means. Your summary should include the units. Summary: (d) The demand D(p) for golf balls depends on the price p per ball. The price is in dollars i. What are the units for the derivative D (p)? ii. Write a summary for the symbolic statement D(0.80) -350. Summary: MATH 103L WORK Book vo6 (c)csUN 39

Explanation / Answer

a. R'(x)=dR/dx that is dollars per lawn

and for the average rate of change it is again dollars per lawn

b.T'(t)=dT/dt that is Fahrenhite per hour and for the average rate of change of temperature it is again fahrenhite per hour.

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