Question

Let f(x) = 9x - 4.5. Find the value of f(2).

Answer 1

9(2)-4.5=13.5 i think

Answer 2

f(x) = 9x - 4.5
Substitute 2 for x
f(2) = 9(2) - 4.5
Multiply 9 by 2
f(2) = 18 - 4.5
Subtract
Final Answer: f(2) = 13.5