Question

For the function f(x)=-3x-14 when f(-1). Show Work

Answer 1

What f(-1) means is that x=-1. Plug -1 in as x. Your new equation would be
f(x)=-3(-1)-14
Now, multiply -3 and -1 together
f(x)= 3-14
Subtract 14 from three
f(x)= -11