[tex]f(-3) = -43[/tex]
Given:
[tex]f(x) = -x^2 +7x -13[/tex]
Solving for [tex]f(-3)[/tex]:
[tex]f(-3) = -(-3)^2 +7(-3) -13 \\ f(-3) = -(9) +7(-3) -13\\ f(-3) = -9 -21 -13 \\ f(-3) = -43[/tex]
Answer:
5x-13
Step-by-step explanation:
combine -2x and 7x to get 5x
and then you are left with 5x -13
