Question

What is `f(x) = int x - 3` if `f(2)=3`?

Answer 1

`f(x)=(x^2)/2-3x+7`

Explanation:

`f(x)=intx-3 dx`

`=(x^2)/2-3x+c`

Subbing in 2,

`f(2)=((2)^2)/2-3(2)+c=2-6+c=-4+c`

Since `f(2)=3`,

`-4+c=3`

`c=7`

`:.f(x)=(x^2)/2-3x+7`