Explain why the function is differentiable at the given point.
f(x, y) = 9 + x ln(xy ? 9), (2, 5)
the partial derivatives are
fx(x, y) = ?
and fy(x, y) = ?
so
fx(2, 5) = ?
and
fy(2, 5) = ?
both fx and fy
are continuous functions for xy > ?
and f is differentiable at
(2, 5).
find the linearization l(x, y) of f(x, y) at (2, 5).
l(x, y) = ?

a. 19,958,400

step-by-step explanation:

hope this

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

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step-by-step explanation:

step-by-step explanation:

infinity is the answer