3 years ago

Define the domain and range of the function and state whether it is one-to-one, onto, both or neither.

Mathematics

1 answer:

dimulka [17.4K]3 years ago

7 0

Answer:

Neither

Step-by-step explanation:

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3 years ago

Find the gradient of the function. Assume the variables are restricted to a domain on which the function is defined. z=2xe2yx+2y

Dmitry_Shevchenko [17]

Answer:

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Step-by-step explanation:

$z=2xe^{2yx}+2y$

The gradient of a function is

$grad(z(x,y))=D_{x}z(x,y)\hat{i}+D_{y}z(x,y)\hat{j}$

where Dx means derivative over x and the same for Dy. Hence we have

$grad(z(x,y))=2[e^{2xy}+2xye^{2xy}]\hat{i}+[4x^{2}e^{2xy}+2]\hat{j}$

where we have used derivative of a product anf of an exponential function

I hope this is useful for you

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3 years ago

A family buys 3 dinners at $9 each, 2 kids’ meals at $4 each, and 4 desserts at $3 each. After using a $10 off coupon, how much

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Hi

3 dinners at $9 each.
9 x 3

2 kids' meals at $4 each
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9 x 3 + 4 x 2 + 4 x 3 - 10

Solve using PEMDAS
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27 + 8 + 12 - 10 = ?
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47 - 10 = ?
37

The answer is 37

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