If a present value P is invested at the simple interest rate r for t years, then the future value after t years is given by the formula 
. Suppose you invest $15,000 at 8% simple interest per year. Graph the amount you will have in t years. What is the slope of the graph?
?
A. m = 1,200
B. m = 108
C. m = 1,340
D. m = 1,070
E. m = 1,270
Answer: A
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Use the quadratic formula to find the exact solutions.3x2 - 11x - 4 = 0
A. -3, 4
B. - 
, 4
C. - 
, 3
D. - 
, -3
Find the 39th term of an arithmetic sequence with a first term of 2 and a common difference of 3. ?
A. 114 B. 116 C. 155 D. 117 E. 119
The percentage, P, of students who recall the important features of a lecture after x days is given by the formula 
. Use this formula and the change-of-base formula to find the percentage, P, of a lecture retained after the given number of days. Round your answer to the nearest whole percent.3 days
A. 62% B. 49% C. 47% D. 52%
Find the probability.The maker of a certain candy claims that the proportions of colors of candy produced are: 
0.1 purple and 0.6 yellow. Suppose a candy is selected randomly from each of two 
bags. What is the probability that one is green and the other is blue?
A. 0 B. 0.99 C. 0.2 D. 0.01