If f(x)= 5x^3- 2x+8 and g(y)= 6y+4, then g(f(x)) =
Answers
A) 30x^3-12x+52  B) 11x^2-12x+44  C) 8x^3-8x+32  D) 30x^3+4x+4  E) 30x^3-12x+44
g(f(x)) = 6(f(x)) +4 = 6(5x^3- 2x+8) + 4 = 30x^3-12x+52 =&gt;30x^3-12x+52
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If f(x)= 5x^3- 2x+8 and g(y)= 6y+4, then g(f(x)) =