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attashe74 [19]
3 years ago
12

F(x)=x^2-3 domain and range

Mathematics
1 answer:
Bad White [126]3 years ago
6 0
Domain is all real numbers
Range is [-3,∞)
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25 kids took a math test. If 20 kids passed the test, what percent of kids did not pass the test?
nata0808 [166]

Answer: 20%

Step-by-step explanation:

25 = 100%

25/5 = 5

100/5 = 20

That means 80% passed and 20% didnt.

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3 years ago
Line m includes the points (-3, 3) and (-4,-6). Line n has the same slope as line m and
Sveta_85 [38]

For this case we have that by definition, the equation of a line of the slope-intersection form is given by:

y = mx + b

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m: It's the slope

b: It is the cut-off point with the y axis

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m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}}

We have that the line m passes through the following points:

(x_ {1}, y_ {1}): (-3,3)\\(x_ {2}, y_ {2}): (-4, -6)

So, the slope of the line m is:

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y = 9x + b

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y = 9x- \frac {2} {3}

ANswer:

y = 9x-\frac {2} {3}

3 0
3 years ago
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