Solve the problem.Let C = 900 + 40x be the cost to manufacture x items. Find the average cost per item to produce 30 items.
A. $1253
B. $70
C. $705
D. $698
Answer: B
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Factor the trinomial, or state that the trinomial is prime.x2 + 3x - 28
A. (x - 7)(x + 1) B. (x + 7)(x - 4) C. prime D. (x - 7)(x + 4)
Solve the problem. Round to the nearest cent.Bob deposits $5000 at the end of each year in an ordinary annuity paying 3% interest compounded annually. Find the amount he will have on deposit after 12 years.
A. $65,960.15 B. $78,088.95 C. $70,960.15 D. $64,038.98
Decide on a suitable restriction on the domain so that the function is one-to-one and the range is not changed.f(x) = ?x - 16?
A. (-?, 15) B. [-16, 16) C. [16, ?) D. [-16, ?)
Expand.(4x + 3)4
A. 256x3 + 768x2 + 864x + 432 B. 768x4 + 2304 x3 + 864x2 + 1296x + 81 C. (16x2 + 12x + 9)4 D. 256x4 + 768x3 + 864x2 + 432x + 81