# If the function f(x)=(2x-1), find f(5.4)? Why is 9.8 not the right answer.

*print*Print*list*Cite

Expert Answers

justaguide | Certified Educator

The function f(x) has been given as f(x) = 2*x - 1

If f(5.4) which should be 2*5.4 - 1 = 10.8 - 1 = 9.8 is not the right answer it could be that the function is f(x) = 2(x - 1). In this case, f(5.4) = 2*(5.4 - 1) = 2*4.4 = 8.8

**Other than this there is no reason why **`f(5.4) != 9.8`