To find f(4) for the function f(x) = 4x + 7, we substitute 4 for x and evaluate the expression.
f(4) = 4(4) + 7 = 16 + 7 = 23
Therefore, f(4) = 23.
For each function, what is the output of the given input?
For f(×)=4×+7, find f(4)
1 answer