Given, f(x)={√x−1 if x≥12 if x<1
For a given value of x = a, find out the interval at which the point a is located, there after find f (a) using the particular value defined in that interval.
Here, 0 lies in the 2nd interval. So for x = 0, f(x)=2 [1 mark]
∴f(0)=2 [1 mark]