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3 years ago

11

Please see attachment for the question.

1 answer:

Sophie [7]3 years ago

5 0

Step-by-step explanation:

$\frac{10 {x}^{3} - 12 {x}^{2} + 6x - 7 }{ - 14 {x}^{2} - 1 }$

-14x²-1≠0

x²≠ -1/14

Option C

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Define f(0,0) in a way that extends f to be continuous at the origin. f(x, y) = ln ( 19x^2 - x^2y^2 + 19 y^2/ x^2 + y^2) Let f (

kirill115 [55]

Answer:

f(0,0)=ln19

Step-by-step explanation:

$f(x,y)=ln(\frac{19x^2-x^2y^2+19y^2}{x^2+y^2})$ is given as continuous function, so there exist $lim_{(x,y)\rightarrow(0,0)}f(x,y)$ and it is equal to f(0,0).

Put x=rcosA annd y=rsinA

$f(r,A)=ln(\frac{19r^2cos^2A-r^2cos^2A*r^2sin^2A+19r^2sin^2A}{r^cos^2A+r^2sin^2A})=ln(\frac{19r^2(cos^2A+sin^2A)-r^4cos^2Asin^a}{r^2(cos^2A+sin^2A)})$

we know that $cos^2A+sin^2A=1$ , so we have that

$f(r,A))=ln(\frac{19r^2-r^4cos^2Asin^a}{r^2})=ln(19-r^2cos^2Asin^2A)$

$lim_{(x,y)\rightarrow(0,0)}f(x,y)=lim_{r\rightarrow0}f(r,A)=ln19$

So f(0,0)=ln19.

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2 years ago

Carol is baking cookies and needs 2 1/4 cups of flour 2/3 cup of white sugar 1/4 cup of brown sugar and 1/16 cup of baking soda

dmitriy555 [2]

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2 years ago

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grandymaker [24]

Answer:

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Step-by-step explanation:

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2 years ago

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The height of a can is 3 times its radius. If the radius of the can is 3 centimeters, what is the volume?

Semmy [17]

Answer:

<em>170 </em> $cent.^{3}$ <em />

Step-by-step explanation:

If the height is 3 times the radius you can find that by: 3r

r = 3.

So: 3 x 3 = 9

The height is 9 centimeters

Volume of a cylinder (can):

$V= 2\pi rh$

Plug in what we know

$V = 2 \pi (3) (9)\\V = 54\pi \\V = 169.646\\$

Rounds to: 170

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2 years ago

What is the solution to this equation?

zepelin [54]

Answer:

A -3

Step-by-step explanation:

-6 times -3 = Postive 18. then 18+3=21

:). Hope that helped

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2 years ago

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