Question

Find the Derivative!!
-7x^4sqrtx+-7/x^3sqrtx

Answer 1

sqrt x = x^0.5

Answer 2

can you simplify this
x^a*x^b = x^(a+b)
you can use this

Answer 3

When I changed sqrtx to x^1/2 and combined with the other x's I got -7x^4.5-7x^-3.5

Answer 4

\[-7x^4\sqrt{x}+\frac{ -7 }{ x^3\sqrt{x} }\]
Is this right?