Multiply the complex numbers below and leave the result in trigonometric form.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 3 using the midpoint sum with two rectangles of equal width.
A. 16.875 B. 8.4375 C. 12.5 D. 3.375
Determine whether f is even, odd, or neither.
Solve the problem.Consider the following simplified digital photograph that has a 3 × 3 grid with four gray levels numbered from 0 to 3. It shows a letter Y in dark gray on a white background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix B such that A + B will represent the entire picture becoming one gray level darker.
A. 
B. 
C. 
D. 
Find the product of the two binomials.(-5x - 3)(-3x - 12)
A. -8x2 + 69x + 69 B. -8x2 + 69x + 36 C. 15x2 + 69x + 36 D. 15x2 + 69x + 69