Answer:
-21√x + 32
Explanation:
Let f(x) = 7x + 4
g(x) = √x + 4
(-3)f(g(x)) = f (√x + 4)
= -3 [7(√x + 4) + 4]
= -3 [7√x + 28 + 4]
= = -21√x + 32
Even I find this complicated.
Hope its right tho.
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