Findn and the difference quotient where a Find the domain of

Findn and the difference quotient where a) Find the domain of the function. (Enter your answer using interval notation.) Need Help? T

Solution

3)   f(x) = x^2 + 6

       f(a) = a^2 + 6

       f(a + h) = (a+h)^2 + 6

      f(a+h) – f(a) = (a+h)^2 + 6 – a^2 – 6 = h^2 + 2ah

       [f(a+h) – f(a)]/h = (h + 2a)

4) h(x) = sqrt(3x - 4)

Domain ======> x 4/3

Interval notation ======> [4/3, )