Question

I need help in derivative

Answer 1

find \[f \prime (x)=\frac{ f(x+\Delta x)-f(x) }{\Delta x } \]
1) \[y=9^{\sqrt{x}}\]

Answer 2

@MelissaHolmes @ikram002p @ganeshie8

Answer 3

@hartnn can u help ?

Answer 4

yes,
whats f(x+ delta x)
could you set up the limit ?

Answer 5

and that formula should have limit delta x approaches 0, right ?

Answer 6

oh sorry i forgot the limit lol

Answer 7

ok, whats f(x+delta x) = ..?
just replace x by x+ delta x in your f(x)

Answer 8

you an use L'Hopital's rule here, right ?

Answer 9

no i don't think so bcoz it says that i should find the derivative by definition