Question

what's the answer for find the domain of f and f' for f(x)=(3-5x)^1/2

Answer 1

let y=f(x)
\[y^2=3-5x\]
\[3-5x>0\]
so domain for f is
\[x\le 3/5\]
I don't know for f'

Answer 2

thanks for ur answer sgadi but what's d meaning of domain?

Answer 3

domain is \[x\le\frac{3}{5}\]

Answer 4

I have verified that for f' also the domain is same as f