Question

Find the value of f'(4) when f(x)=5/3x^3/2+8x^1/2

Answer 1

To figure this out plug in 4 for x

f(4)=5/3(4)^3/2+8(4)^1/2 = 5/3(8) + 8(2)
= 5/3 x 8 + 16 = 40/3 +16 = 88/3

Hope this helps!