Find f[g(x)] and g[f(x)].f(x) = 5x + 9; g(x) = 4x - 7
A. f[g(x)] = 20x - 26
g[f(x)] = 20x + 29
B. f[g(x)] = 20x + 29
g[f(x)] = 20x - 26
C. f[g(x)] = 20x - 29
g[f(x)] = 20x + 26
D. f[g(x)] = 20x + 26
g[f(x)] = 20x - 29
Answer: A
Mathematics
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