Find the product of the complex numbers. Leave answer in polar form.z1 = 7
z2 = 4
A. 11
B. 11
C. 28
D. 28
Answer: D
Mathematics
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Use the product rule to simplify the expression. Write the result using exponents.w7 ? w2 ? w8
A. w10 B. w22 C. w17 D. w9
Mathematics
Give the interval where the function increases or decreases, as requested.f(x) = 5x2 - 4increases
A. (-?, 0] B. [-4/5, ?) C. (-?, -4/5) D. (0, ?)
Mathematics
Find the indicated sum. Find the sum of the first 10 terms in the geometric series 
+ 
+ 
. . .
A. - 
B. 
C. - 
D. 
Mathematics
Solve the system of equations.
A. x = 4, y = 2, z = 1 B. x = 4, y = 1, z = 2 C. x = 1, y = 2, z = 4 D. x = 1, y = 4, z = 2
Mathematics