Question

In: Advanced Math

(c) [2] For which of the following functions are the level curves linear?   (I) f(x, y)...

(c) [2] For which of the following functions are the level curves linear?  

(I) f(x, y) = tan(x + y)

(II) g(x, y) = e^y/x (e to the power of y over x)

(III) h(x, y) = ln(xy)

(A) none (B) I only (E) I and II (F) I and III

(C) II only (G) II and III

(D) III only (H) all three

A partial table of values for a function f(x,y) is given below. Which of the following are positive?

(I) fy(4, 1)

(II) fx(4, 1) (III) fxx(4, 1)

x=3

x=4

x=5

x=6

y=0

2.3

2.2

2.0

1.7

y=1

2.4

2.5

2.7

3.0

y=2

2.5

2.7

2.9

3.2

y=3

2.6

3.0

3.0

3.3

Solutions

Expert Solution

3.

Thus it is not a linear equation . so only option I is a linear eqn Option B only I is correct.

please give me upvote . Thank you.

Colby Messinger answered 11 months ago
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