Find sum of the pair of complex numbers.7 - 8i, 4i
A. 11 - 8i
B. 3i
C. 7 - 12i
D. 7 - 4i
Answer: D
Mathematics
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Solve the problem.Let f(x) = x2 + 5x - 7. Find a such that f(a) = 7.
A. 7, 2 B. 7, -2 C. -7, -2 D. -7 , 2
Mathematics
Find the mass of the wire that lies along the curve r and has density ?.r(t) = (10 cos t)i + (10 sin t)j + 10tk, 0 ? t ? 2?; ? = 9
A. 20?
units
B. 180?
units
C. 18? units
D. 1800?
units
Mathematics
Provide an appropriate response.At what nominal rate of interest, compounded quarterly, will money double in 10 years?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 5 B. -25 C. -5 D. 25
Mathematics