Question

f (x) =2x-7,x= -3


alguém sabe?​

Answer 1

f(x)= 2.(-3)-7

f(x)= -6-7

f(x)= -13

f(-7)= -13

Answer 2

$\large\boxed{\begin{array}{lr}f(x) = 2x - 7 \\ f( - 3) = 2( - 3) - 7 \\ f( - 3) = - 6 - 7\\ f( - 3) = - 13\end{array}}$