Question

For each of the following functions, find the maximum and minimum values of the function on the circular disk:
x
2
+
y
2
≤
1
. Do this by looking at the level curves and gradients.

A)
f
(
x
,
y
)
=
x
+
y
+
4

B)
f
(
x
,
y
)
=
4
x
2
+
5
y
2

C)
f
(
x
,
y
)
=
4
x
2
−
5
y
2​

Answer 1

Answer:

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