Write out the first three terms and the last term of the arithmetic sequence.
A. -5 + 25 - 75 + . . . - 1500
B. -5 - 10 - 15 - . . . - 300
C. -5 - 25 - 125 - . . . - 1500
D. -1 - 5 - 10 - . . . - 300
Answer: B
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Find the real solutions, if any, of the equation. Use the quadratic formula.5x2 + 11x - 12 = 0
A. {
, 3}
B. {- 
, 3}
C. {- 
, -3}
D. {
, -3}
Evaluate the polynomial for the given value.-s2t + 6st2 - 6
s = 6 and t = -4
A. 1434 B. 438 C. 726 D. 714
Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation p = -10x + 240, 0 ? x ? 24.What price should the company charge to maximize revenue?
A. $6 B. $18 C. $12 D. $14.4
Solve the problem.A cake is removed from an oven at 325 °F and cools to 150 °F after 25 minutes in a room 68 °F. How long will it take the cake to cool to 104 °F?
A. 43 min B. 55.9 min C. 25.8 min D. 77.4 min