Graph the integrand and use geometry to evaluate the integral.
A. 49
B. 7?
C. 49?
D. 
?
Answer: D
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Use the present value formula to solve the problem.Find the present value of $30,000 if interest is paid at a rate of 8.5% compounded quarterly for 17 years. Round to the nearest cent.
A. $123,511.51 B. $125,343.55 C. $7286.77 D. $7180.27
A 450-room hotel is two-thirds filled when the nightly room rate is $80. Experience has shown that each $15 increase in cost results in 30 fewer occupied rooms. Find the nightly rate that will maximize income. ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Divide.
A. 1157.364 B. 11,573.64 C. 11.57364 D. 1.157364
Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (8, 0) B. (-1, 0), (1, 0) C. (1, 0) D. none