Let f(x)=3x^2-x+2 and g(x)= 5x^2-1. find f(g(x))
2 answers:
Answer:
15x^4-5x^2+1
Step-by-step explanation:
g(x)=5x^2-1 and f(x)=3x^2-x+2
f(g(x))would mean that g(x) would be x in f(x).
So f(g(x) would be 15x^4-3-5x^2+1+2
simplified would be 15x^4-5x^2+1
F (5x^2 - 1) = 75x^4 - 35x^2 + 6
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