An initial investment of $9000 grows at an annual interest rate of 5% compounded continuously. How long will it take to double the investment?
A) 13.86 years
B) 14.86 years
C) 14.40 years
D) 13.40 years
E) 1 year
A) 13.86 years
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150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.Carol scored 75 points on the exam. In approximately what percentile of the class does this score place her?
A. 34th percentile B. 95th percentile C. 84th percentile D. 68th percentile E. none of these
In the strip of rectangles shown, a certain rigid motion applied to the leftmost rectangle takes the figure to the next rectangle. Apply the same motion, but to the second rectangle, to draw the image of the second rectangle in the third rectangle. Continue to use the same motion to fill in the successive rectangles.
A. 
B. 
C. 
D. 
Perform the indicated operation. Give answer in standard form.(6 + 6i)(5 + 6i)
A. -6 + 66i B. 66 - 6i C. 36i2 + 66i + 30 D. -6 - 66i
Graph the function.f(x) = -2x2(x + 1)(x - 2)
A. 
B. 
C. 
D. 