# Is #f(x)=(-x^3+2x^2-3x+7)/(x-2)# increasing or decreasing at #x=-1#?

##### 1 Answer

Oct 24, 2016

So first we have to find the derivative of the function,

so with,

and,

so subbing into the formula,

now to find what the gradient is at

we need to sub in

this means that the gradient is positive at