Find the nth term of the geometric sequence.a1 = 2, r = -3, n = 11
A. a11 = 118,098
B. a11 = -66
C. a11 = 531,441
D. a11 = -39,366
Answer: A
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Solve the problem.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 , where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule. Use 2 subintervals. Round your answer to the nearest hundredth.
A. 3.68 ft B. 5.11 ft C. 2.34 ft D. 3.41 ft
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = x3 + 2
A. 
B. 
C. 
D. 
Solve the problem.
A man plans to invest $15,000 over 4 years in an annuity at 6%, and he wants the best plan. Annuity 1 is a monthly ordinary annuity of $312.50 compounded monthly. Annuity 2 is a semiannual ordinary annuity of $1875.00 compounded semiannually. Annuity 3 is a quarterly annuity due of $937.50 compounded quarterly. Annuity 4 is a yearly annuity due of $3750.00 compounded annually. What annuity yields the greatest future value?
A. Annuity 2 B. Annuity 4 C. Annuity 3 D. Annuity 1
Solve.John owns a hotdog stand. His profit is represented by 
with P(x) being profit and x the number of hotdogs sold. What is the most he can earn?
A. $120 B. $49 C. $106 D. $99