Question

If F(x) = x² + 5x and G(x) = 2x + 1, find F(5) + G(6).

Answer 1

63

Answer 2

F(x) =( 5² + 5(5))+( 2(6) + 1)
= (25+25)+(12+1)
=50+13
= 63

Answer 3

\[f(x)=x² + 5x\]
\[f(5)=5² + 5.5\]
\[f(5) = 50\]

\[g(x)=2x +1\]
\[g(6)=2.6 +1\]
\[g(6)=13\]

\[f(5) + g(6) = 63\]