Answer:
f(x)=x² +3x-x/2
f(6)=(6)²+3(6)-6/2
= 36 + 18 -3
=51
51
Step-by-step explanation:
[tex]f(x)=x^{2}+3x-\frac{x}{2}[/tex]
The question is to find F(6), so just replace the x variable with 6, like this
[tex]f(6)=6^{2}+3(6)-\frac{6}{2}[/tex]
Now simplify
[tex]f(6)=36+18-3\\f(6)= 51[/tex]
