Input x=? equation f(x)√(2x - 6) output f(x)= 10​

Question

Input x=?
equation

`f(x)√(2x - 6)`
output f(x)= 10​

Answer 1

f(10)=sqrt(14)

Explanation:

f(10) = sqrt(2x-6)

f(10)= sqrt(20-6)

f(10)=sqrt(14) - simplest form, no way to factor it.