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2 years ago

Im being lazy hewp pwease :(

Mathematics

1 answer:

aalyn [17]2 years ago

5 0

Answer:

(-3,0)

Step-by-step explanation:

the vertex is where the quadratic function reaches its maximum or minimum height and as you can see on this graph the maximum height of this equation is at the (-3,0) point meaning that (-3,0) is the vertex

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When and how do you use logarithms to solve exponential equations? give an example of an exponential equation that does not requ

tatuchka [14]

$\bf 5^{x+3}=\cfrac{1}{125}\implies 5^{x+3}=\cfrac{1}{5^3}\implies 5^{x+3}=5^{-3}
\\\\\\
\textit{because the bases are the same, the exponents must also be the same}
\\\\\\
x+3=-3\implies \boxed{x=-6}\\\\
-------------------------------\\\\
3^x=4^{2x}\implies log(3^x)=log(4^{2x})\implies xlog(3)=(2x)log(4)
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\cfrac{x}{2x}=\cfrac{log(4)}{log(3)}\implies \cfrac{1}{x}=\cfrac{log(4)}{log(3)}\implies \cfrac{log(3)}{log(4)}=x\implies \boxed{0.79248125\approx x}$

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2 years ago

Which graph represents the piece wise- defined function f(x) =

Vanyuwa [196]

Answer:

<h2>The fourth graph, from left to right, is the correct answer.</h2>

Step-by-step explanation:

The given piecewise function is

$f(x)=\left \{ {{-x+4 \ ; \ 0\leq x$

Notice that the domain of the function specifies that, from zero to three, the function represents a decreasing (because the variable is negative) straight line. When the function is defined from 3 to infinite, the function is a constant of 5.

<em>So, the right graph must shows first a decreasing line, where the initial point is solid and the final point is empty, as the fourth fraph (from left to right), then it must show a horizontal line with an initial point solid.</em>

<em />

Therefore, the fourth graph, from left to right, is the correct answer.

7 0

3 years ago

Read 2 more answers

Identify the point from the equation y+2=5(x-5)

Oxana [17]

Answer:

use desmos :)) it helps

Step-by-step explanation:

8 0

3 years ago

How do you do this problem?

erastova [34]

Based on point P(0,16), we substitute in the parabola to find a.

16=a(0-3)^2-2 => a=(16+2)/9=2

so the parabola is

y=2(x-3)^2-2 ..........................(1)

Solve for zeroes of (1);

0=2(x-3)^2-2 => (x-3)^2=1 => x=2 or x=4

Now the line passes through (0,16), (4,0) => y,x intercepts are 16 & 4.

Using the symmetric form

x/4+y/16=1

4x+y=16 => y=16-4x

8 0

3 years ago

David is in a submarine 200 feet below sea level. Casey is above him in a helicopter at 5900 feet. How far apart are they?

mr Goodwill [35]

Answer:6100

Step-by-step explanation:

200+5900

7 0

2 years ago