$f(x)=-3 x+2$
\(\boxed{f(5) = -13}\)
Step 1 :Given the function \(f(x) = -3x + 2\)
Step 2 :We want to find the value of the function for \(x = 5\)
Step 3 :Substitute the value of x in the equation: \(f(5) = -3(5) + 2\)
Step 4 :Calculate the result: \(-15 + 2 = -13\)
Step 5 :\(\boxed{f(5) = -13}\)