Question

What is t(2u2) if t(x)=−5x3+2x2+9? Do not include "t(2u2)=" in your answer.

Answer 1

Answer: t(2u^2)=−10u^6 + 4u^4 + 9

Explanation:

t(x)=−5x^3 + 2x^2 + 9

t(2u^2)=−5(2u^2)^3 + 2(2u^2)^2 + 9

t(2u^2)=−5(2u^(2*3)) + 2(2u^(2*2)) + 9

t(2u^2)=−10u^6 + 4u^4 + 9