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UkoKoshka [18]
3 years ago
8

What is the slope of the line represented by the equation y=4/5x-3?

Mathematics
1 answer:
SOVA2 [1]3 years ago
4 0

Answer:

4/5

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%7Bx%7D%5E%7B2%7D%20%2B%204x%20-%205" id="TexFormula1" title="f(x) = {x}^{2}
frutty [35]

The inverse function theorem says

\dfrac{\mathrm df^{-1}}{\mathrm dx}(16)=\dfrac1{\frac{\mathrm df}{\mathrm dx}(f^{-1}(16))}

We have

f(x)=x^2+4x-5

defined on x>-2, for which we get

f^{-1}(x)=-2+\sqrt{x+9}

and

f^{-1}(16)=-2+\sqrt{16+9}=3

The derivative of f(x) is

f'(x)=2x+4

So we end up with

\dfrac{\mathrm df^{-1}}{\mathrm dx}(16)=\dfrac1{\frac{\mathrm df}{\mathrm dx}(3)}=\dfrac1{10}

6 0
3 years ago
Y=-x^2+8x-8 in vertex form
Lelu [443]

Answer:

The answer your looking for is (0,64) because your asking what is the vertex form. If you need any other help with any questions let me know and I'lll be happy to help you

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
One of the students said that perimeter of above rectangle is 100 squared millimeters. It that answer correct?
PSYCHO15rus [73]

9514 1404 393

Answer:

  no

Step-by-step explanation:

The perimeter of the rectangle will be measured in millimeters (or some other distance measure). Square millimeters is an incorrect unit for a perimeter.

The <em>perimeter</em> cannot be 100 mm².

3 0
3 years ago
What is 21596 rounded to the nearest Highest Place
Verdich [7]

Answer:

if i'm correct 20,000

Step-by-step explanation:

4 0
3 years ago
Determine the area under the standard normal curve that lies to the right of the z-score 0.48 and to the left of the z-score 0.7
pychu [463]

Answer:

The area lies to the right of the z-score 0.48 means all the values greater than it. This can be calculated on a graphing calculator using the function normCdf, where

  • Lower bound = 0.48
  • Upper bound = 9999
  • Mean = 0
  • Standard deviation = 1

<u>The result would be normCdf(0.48,9999,0,1) ≈ </u><u>0.315614</u>

<u />

The area lies to the left of the z-score 0.79 means all the values less than it. This can be calculated on a graphing calculator using the function normCdf, where

  • Lower bound = -9999
  • Upper bound = 0.79
  • Mean = 0
  • Standard deviation = 1

<u>The result would be normCdf(-9999,0.79,0,1) ≈</u><u> 0.785236</u>

6 0
3 years ago
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