The Manga Guide to Calculus

182 Chapter 6 Let’s Learn About Partial Dierentiation!

It can be

expreed

by these diagrams.

In the case of

Mr.Seki, x is

exceent writing,

y is hard-hiing

reporting, and

z is transfer to

the main oice. Is

thatright?

We, I don’t

know the

reasons for

my transfer

yet.

In the case of Noriko, x

1

is last month’s blunder,

x

2

is this month’s blunder,

and x

3

and x

4

are pr

grming and hygiene,

which makes y her

demotion to writing

obituaries.

A right, that’s

enough. Noriko,

we don’t have much

timeleft.

Let’s learn the

basics quickly.

Shut up,

you dumb

ox!

Squeeze

What Are Multivariable Functions? 183

The function of

the left diagram

is wrien as