Factor when possible. If the polynomial is prime, say so.x2 - x - 40
A. (x + 5)(x - 8)
B. (x - 40)(x + 1)
C. (x - 5)2
D. prime
Answer: D
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Find the gradient ?f.f(x, y) = yexy
A. exy(xy + 1)i + y2exyj B. y2exyi + exy(xy + 1)j C. y2exyi + yexy(xy + 1)j D. xy2exyi + exy(xy + 1)j
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose second?
A. CD B. AC C. AB D. BD E. none of these
Provide an appropriate response.When comparing the same period of time and interest rate used to compute simple interest, compound interest results in:
A. increased yield for the investor B. all of these occur using compound interest C. higher interest charges to the investor D. an increased maturity date
Solve the problem.A circular hole is filled with concrete to make a footing for a load-bearing pier. The hole measures 17 inches across and requires 1.6 bags of concrete in order to fill it to ground level. What is the depth of the hole? Round your answer to the nearest inch. (One bag of concrete, when mixed with the appropriate amount of water, makes 1800 in.3 of material.)
A. 10 in. B. 13 in. C. 17 in. D. 19 in.