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exis [7]
3 years ago
8

What is 0.84 10 times as much as

Mathematics
2 answers:
ipn [44]3 years ago
8 0
Well is youre asking .84*10 that would actually be 8.4
Aleks [24]3 years ago
5 0
0.84 is 10 times as much as 0.084
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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
Find the value of a &amp; b​
GenaCL600 [577]

Answer:

a = 23

b = 10

Step-by-step explanation:

The general formula is

y = 3x +  5

Just to check, let x = 2

y = 3*2 + 5

y = 6 + 5

y = 11

And a confirmation check

x = 3

y = 3*3 + 5

y = 9 + 5

y = 14

So for a

x = 6

y = 6*3 + 5

y = 18 + 5

y = 23

For b, you know y

35 = 3x + 5

<u>- 5           -5 </u>              Subtract

30 = 3x                       Divide by 3

30/3 = 3x/3

x = 10

3 0
3 years ago
Read 2 more answers
Please help with Algebra!!! 10 points!
Tju [1.3M]
4. D
5. A
6. C
7. D
8. D
9. B
10. B
5 0
3 years ago
Are fractions 1/5, 5/5, and 5/1 equivalent?
grin007 [14]
No 1/5 = 1/5 5/5 = 1 and 5/1= 5
3 0
3 years ago
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Write the equation of the line that passes through (2, 4) and has a slope of -1 in point-slope form.
Delvig [45]

Answer:

Step-by-step explanation:

y - 4 = -(x - 2)

y - 4 =-x + 2

y = -x + 6

3 0
3 years ago
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