f(x)=3 x 2 +4x+8

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f(x)=3x²+4x+8

f(4a)=

Guest Jan 12, 2016

+118723

+15

Best Answer

f(x)=3x2+4x+8

f(4a)=

\(f(x)=3x^2+4x+8\\ f(4a)=3*(4a)^2+4*(4a)+8\\ f(4a)=3*16a^2+16a+8\\ f(4a)=48a^2+16a+8\\\)

Melody Jan 12, 2016

Melody · Answer 1 · 2016-01-12T12:28:31

f(x)=3x2+4x+8

f(4a)=

\(f(x)=3x^2+4x+8\\ f(4a)=3*(4a)^2+4*(4a)+8\\ f(4a)=3*16a^2+16a+8\\ f(4a)=48a^2+16a+8\\\)