Find the root if it is a real number.- 
A. 3
B. 9
C. -27
D. -3
Answer: D
Mathematics
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Find the derivative.f(x) = 3x4 + 7x3 - 8
A. 3x3 + 7x2 B. 12x4 + 21x3 - 8 C. 12x3 + 21x2 - 8 D. 12x3 + 21x2
Mathematics
Find the product of the complex numbers. Leave answer in polar form.z1 = 6
z2 = 12
A. 18
B. 72
C. 18
D. 72
Mathematics
Use the graph of the function f(x) to determine which values of x satisfy the the given equation.f(x) = -4
A. x = -2 and x = 2 B. x = 1 C. x = 1 and x = -1 D. x = -1
Mathematics
Simplify.x10 ÷ x5
A. 
B. x10 - x5
C. x5
D. x15
Mathematics