Add or subtract as indicated. Write your answers in standard form.(6 + 8i) - (-5 + i)
A. 1 + 9i
B. 11 - 7i
C. -11 - 7i
D. 11 + 7i
Answer: D
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Factor, if possible.-36m2n2 + 21m2n3 - 3m2n4
A. -3m2n2 (n - 4)(n - 3) B. -3(m2 - 4)(n4 - 3) C. 3m2n2 (n + 4)(n + 3) D. 3mn(n2 - 4)(m2 - 3)
Provide an appropriate response.Suppose a machine costing $12,000 is to be replaced at the end of 7 years, at which time it will have a salvage value of $6000. In order to provide money at that time for a new machine costing $15,000, a sinking fund is set up into which equal payments are placed at the end of every quarter. If the fund earns 5.6% compounded quarterly, what should each payment be?
Fill in the blank(s) with the appropriate word(s).
Perform the indicated operation.(5n7 - 12n4 - 10) - (-4n4 + 3n7 - 17) + (n8 + 19)
A. 20n11 B. n8 + 2n7 - 8n4 - 8 C. n8 + 2n7 - 8n4 + 26 D. n8 + 2n7 - 9n4 - 8
Provide an appropriate response.Find the range of the function y = f(x) = -x2 + 3x + 2.
Fill in the blank(s) with the appropriate word(s).