Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(5 + 
) (4 + 
)
A. 90
B. 596 + 244i
C. 90 i
D. -4 + 46i
Answer: D
You might also like to view...
Test the polar equation for symmetry with respect to the polar axis, the pole, and the line ? = ? / 2. r² = cos 2?
What will be an ideal response?
For the given functions f and g, find the requested function and state its domain.f(x) = 16 - x2; g(x) = 4 - xFind f + g.
A. (f + g)(x) = -x2 - x + 20; all real numbers B. (f + g)(x) = -x2 + x + 12; all real numbers C. (f + g)(x) = x3 - 4x2 - 16x + 64; all real numbers D. (f + g)(x) = 4 + x; {x|x ? -4}
Solve the inequality, and graph the solution set.
< 0
A. (-2, 8)
B. (8, ?)
C. (-?, -2) or (8, ?)
D. (-?, -2)
Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 3 above is called a(n) 
.
A. divisor B. addend C. factor D. dividend