Answer:
4(9)+8=44
Step-by-step explanation:
Answer: 44
F(x) = 4x +8 can be rewritten as y= 4x +8 where x is the input and y is hte output. If f(9) is the output and x is the input , switch x for 9 and solve.
f(9) = 4(9) + 8
f(9) = 36 + 8
f(9) = 44
