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notsponge [240]
2 years ago
8

Please help!

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
7 0

Answer:

2/3

Step-by-step explanation:

We can use the slope formula

m = (y2-y1)/(x2-x1)

 = (12-8)/(4 - -2)

  (12-8)/(4+2)

  4/6

   2/3

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Two functions are represented below. Which function has a domain that contains the domain of the other function as a
Nikitich [7]

Answer:

\\ h(x) = x-2\;contains\;the\;domain\;of\;function\;f(x) = -log(x-2)-3

Step-by-step explanation:

The domain of a function contains all possible values that it can take.

We can analyze the function:

\\ f(x) = -log(x-2)-3 [1]

And we can see that there are three functions in [1]:

h(x) = x-2 and g(x) = -log(x) - 3, and

\\ f(x) = g(h(x)) or \\ f(x) = -log(x-2)-3.

This operation is called <em>function composition</em>.<em> </em>

For every <em>x</em>, function <em>h(x)</em> can take any value, so the domain (all possible values this function can take) is \\ -\infty\;to\;\infty (all real numbers).

However, function <em>g(x)</em> is restricted to <em>positive values</em> only, since <em>log</em> function is <em>not</em> defined for <em>negative numbers</em> and 0.

Therefore, domain for <em>f(x)</em> are <em>restricted</em> to those ones that comply with the above restriction (x > 0). So, for

\\ f(x) = -log(x-2) - 3

Possible values are those which:

\\ x - 2 > 0 or \\ x > 2

In words, the domain of <em>f(x)</em> are all values greater than 2 (but not equal to 2) or all positive real values greater than 2.

Then, the function <em>f(x)</em> has a domain that is a <em>subset</em> of function <em>h(x)</em>, that is, in function <em>h(x) = </em>x - 2, <em>x</em> can takes any possible value from -(<em>infinity</em>) to <em>infinity</em>, whereas function <em>f(x)</em> can <em>only</em> takes those values greater than two (but not equal 2) to <em>infinity</em>, which makes the domain of <em>f(x)</em>  a subset of the possible values of function <em>h(x)</em>.

8 0
3 years ago
(3-6)(-14--12)<br><img src="https://tex.z-dn.net/?f=%283%20-%206%29%28%20-%2014%20-%20%20-%2012%29" id="TexFormula1" title="(3 -
castortr0y [4]

Answer:


Step-by-step explanation:

(-3)(-14--12)

(-3)(-2)

6


4 0
2 years ago
Write 36minutes,1hour 40 minutes in simplest form​
Marina CMI [18]

Answer:

3/5 of an hour, 60 minutes, 2/3 of an hour

Step-by-step explanation:

6 0
3 years ago
YOU HAVE TO MATCH THEM !!
OleMash [197]
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3 0
2 years ago
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Y varies directly with X if y equals 39 when x equals 3 What is the value of y when x equals 2
igomit [66]

Answer:

y = 26 when x = 2

Step-by-step explanation:

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4 0
3 years ago
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