Solve the problem.If f(x) = 7x + 6 and g(x) = 7x2 - 3x + 5, find (fg)(x) and (fg)(0).
A. 49x3 - 21x2 + 17x + 30; 30
B. 49x3 + 21x2 + 17x + 30; 30
C. 49x3 + 21x2 + 17x; 0
D. 49x2 - 21x + 41; 41
Answer: B
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