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## Homework Statement

f(x)= 3+6x-2x^3

(a) Determine the values of x for which the graph of f has positive gradient

(b) Find the values of x for which the graph of f has increasing gradient

## Homework Equations

I had originally thought the two terms meant the same thing, but when I checked the answers at the back of the book, they gave two different answers.

## The Attempt at a Solution

Isn't a positive gradient an increasing one?