Find the average rate of change for the function over the given interval.Find the average rate of change from (-2, 6) to (1, -3).
A. -3
B. 
C. - 
D. 3
Answer: A
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Solve.How long will it take for the population of a certain country to double if its annual growth rate is 0.9%? Round to the nearest year.
A. 222 years B. 77 years C. 1 year D. 33 years
Find an expression, in factored form, for the perimeter of the figure.
A. (x + 3)(x - 3) B. (x + 2)2 C. (x + 3)2 D. (x + 4)(x + 2)
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $285,013 B. $570,025 C. $1,140,050 D. $142,506
Solve.On one summer's day the high temperature recorded in Death Valley, California was 112° F. On the same day, the high temperature recorded in Montreal, Canada was 22° C. How much hotter was Death Valley than Montreal on that day? Give your answer in degrees Fahrenheit. Round to the nearest tenth of a degree.
A. 67.8°F B. 14.8°F C. 22.4°F D. 40.4°F