Solve the problem.Suppose a cost-benefit model is given by
where C is the cost in thousands of dollars for removing p percent of a given pollutant. Find C(90) to the nearest dollar and interpret it.
A. $52,200; It will cost $52,200 to remove 90% of the pollutant.
B. $5800; It will cost $5800 to remove 0.90% of the pollutant.
C. $5220; It will cost $5220 to remove 0.90% of the pollutant.
D. $9000; It will cost $9000 to remove 90% of the pollutant.
Answer: A
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Answer the following statement(s) true (T) or false (F)
Students cannot successfully solve problems involving fraction division until they have mastered the invert-and-multiply algorithm.
Solve using a matrix on a graphing calculator.
A. (2, -4) B. (2, -5) C. (1, -4) D. No solution
Provide an appropriate response.If the area of a rectangle is given by 9n2 - 16, find expressions for the length and width of the rectangle.
A. 3n + 4, 3n - 4 B. n + 4, n - 4 C. 3n + 4, 3n + 4 D. 9n + 4, 9n - 4
Solve the problem.An experiment in a wind tunnel generates cyclic waves. The following data is collected for 52 seconds: Let V represent the wind speed (velocity) in feet per second and let t represent the time in seconds. Write a sine equation that describes the wave.
A. V = 60 sin(52t - 26) + 16
B. V = 44 sin (52t - 26) + 22
C. V = 60 sin + 16
D. V = 22 sin + 38