- #1

- 2

- 0

## Homework Statement

Find

∂2f

∂x2

,

∂2f

∂y2

,

∂2f

∂x∂y

, and

∂2f

∂y∂x

.

f(x, y) = 1,000 + 4x − 5y

## Homework Equations

## The Attempt at a Solution

Made somewhat of an attempt at the first one and got 0, however my teacher has poorly covered this in class, and I would value some further explanation.