Answer:
[tex]f(-3)=-9[/tex]
Step-by-step explanation:
Given:
[tex]f(x)=2x-(x+6)[/tex]
[tex]f(-3)[/tex]
Substitute -3 for x:
[tex]f(-3)=2(-3) -((-3)+6)[/tex]
Solve:
[tex]f(-3)=(-6)-3[/tex]
