Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 5; r = -3
A. a5 = -135; an = 5 ? (-3)n
B. a5 = 405; an = 5 ? (-3)n
C. a5 = 405; an = 5 ? (-3)n-1
D. a5 = -135; an = 5 ? (-3)n-1
Answer: C
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Find the formula for the function.Express the perimeter of a square as a function of the square's side length x.
A. p = 
B. p = 4x
C. p = 6x
D. p = x3
Find the smallest value of N that will make the inequality hold for all n > N.
< 10-2
A. 16 B. 14 C. 15 D. 13
Solve using Cramer's rule.-2x - 2y = -16 3x + 2y = 18
A. (-2, -6) B. (2, 6) C. (-6, 2) D. (6, 2)
Solve the problem.A firm is considering a new product. The accounting department estimates that the total cost, C(x), of producing x units will be C(x) = 95x + 4380.The sales department estimates that the revenue, R(x), from selling x units will be R(x) = 105x,but that no more than 729 units can be sold at that price. Find and interpret (R - C)(729).
A. -$2910 loss, cost exceeds income It is not worth it to develop product. B. $150,180 profit, income exceeds cost It is worth it to develop product. C. $2910 profit, income exceeds cost It is worth it to develop product. D. $1167 profit, income exceeds cost It is worth it to develop product.