Find f[g(x)] and g[f(x)].f(x) = 5x3 + 8; g(x) = 2x
A. f[g(x)] = 40x3 + 16
g[f(x)] = 10x3 + 8
B. f[g(x)] = 10x3 + 16
g[f(x)] = 40x3 + 8
C. f[g(x)] = 10x3 + 8
g[f(x)] = 40x3 + 16
D. f[g(x)] = 40x3 + 8
g[f(x)] = 10x3 + 16
Answer: D
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