What tis the complete domain D and range R of the following multivariable functions:
$w(x,y)=\sqrt{y-4{x}^{2}}$

glamrockqueen7
2020-10-28
Answered

What tis the complete domain D and range R of the following multivariable functions:
$w(x,y)=\sqrt{y-4{x}^{2}}$

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Dora

Answered 2020-10-29
Author has **98** answers

So,

asked 2021-09-08

Lynbrook West , an apartment complex , has 100 two-bedroom units. The montly profit (in dollars) realized from renting out x apartments is given by the following function.

$P\left(x\right)=-12{x}^{2}+2136x-41000$

To maximize the monthly rental profit , how many units should be rented out?

What is the maximum monthly profit realizable?

To maximize the monthly rental profit , how many units should be rented out?

What is the maximum monthly profit realizable?

asked 2021-02-05

Use polar coordinates to find the limit. [Hint: Let $x=r\mathrm{cos}{\textstyle \phantom{\rule{1em}{0ex}}}\text{and}{\textstyle \phantom{\rule{1em}{0ex}}}y=r\mathrm{sin}$ , and note that (x, y) (0, 0) implies r 0.]
$\underset{(x,y)\to (0,0)}{lim}\frac{{x}^{2}-{y}^{2}}{\sqrt{{x}^{2}+{y}^{2}}}$

asked 2021-12-11

Answer the following questions about an ANOVA analysis involving three samples.

a. In this ANOVA analysis, what are we trying to determine about the three populations they’re taken from?

b. State the null and alternate hypotheses for a three-sample ANOVA analysis.

c. What sample statistics must be known to conduct an ANOVA analysis?

d. In an ANOVA test, what does an F test statistic lower than its critical value tell us about the three populations we’re examining?

a. In this ANOVA analysis, what are we trying to determine about the three populations they’re taken from?

b. State the null and alternate hypotheses for a three-sample ANOVA analysis.

c. What sample statistics must be known to conduct an ANOVA analysis?

d. In an ANOVA test, what does an F test statistic lower than its critical value tell us about the three populations we’re examining?

asked 2021-09-07

How to solve the ordinary differential equation using separation of variables?

$\frac{dy}{dt}=\frac{y+1}{t+1}$

asked 2021-09-30

Requires Uploaded Supporting Analysis:
Find the second derivative $\frac{{d}^{2}y}{{dt}^{2}.}$
$y=\mathrm{sin}t-{e}^{t}$

asked 2022-01-23

Let S denote the solid enclosed by ${x}^{2}+{y}^{2}+{z}^{2}=2z$ and $z}^{2}={x}^{2}+{y}^{2$ . What is the length of of the curve determined by (x,y,z): ${x}^{2}+{y}^{2}+{z}^{2}=2z$ and $z}^{2}={x}^{2}+{y}^{2$ ? What is the surface area of S?

asked 2021-11-20

In a regression analysis, the variable that is being predicted is the

a. Intervening variable

b. Dependent variable

c. None

d. Independent variable

a. Intervening variable

b. Dependent variable

c. None

d. Independent variable