Question

Solve for me pls

`f(x) = x + \sqrt{x + 1 \frac{x} - {1}`
​

Answer 1

A

Explanation:

Given

f(x) = x +
`(√(x+1) )/(x-1)`

To evaluate f(3), substitute x = 3 into f(x) , that is

f(3) = 3 +
`(√(3+1) )/(3-1)`

= 3 +
`(√(4) )/(2)`

= 3 +
`(2)/(2)`

= 3 + 1

= 4 → A