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2 years ago

15 POINTS!

Mathematics

2 answers:

Agata [3.3K]2 years ago

8 0

8x - 9y = -23 just plug in the points

BlackZzzverrR [31]2 years ago

5 0

Slope of the line = 4 / 4.5 = 8/9
and it passes through the point (-4.-1) so we have

y - -1 = 8/9)x - -4)

y + 1 = 8/9 x + 32/9

* through by 9:-

9y + 9 = 8x + 32

9y = 8x + 32 - 9

8x - 9y = -32 + 9

8x - 9y = -23 is ur answer.

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Step-by-step explanation:

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Read 2 more answers

What is the domain for each function below? Choose the correct inequality symbol from the drop down menu and fill in the blank w

erik [133]

Answer:

$x \le 3$

$x \ge 0$

Step-by-step explanation:

The functions, missing from the question are:

$f(x) = \sqrt{3 - x$

$f(x) = \sqrt{3 x$

Required

Determine the domain

To get the domain, means we want to get the possible values of x.

(a)

$f(x) = \sqrt{3 - x$

Equate 3 - x to 0

$3 - x = 0$

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$-x = -3$

$x = 3$

From the calculated value of x above;

When x exceeds 3; f(x) = undefined

So: the domain is:

$x \le 3$

(b)

$f(x) = \sqrt{3x$

Equate 3x to 0

$3x = 0$

Solve for x

$x = 0$

From the calculated value of x above;

When x falls below 0; f(x) = undefined

So: the domain is:

$x \ge 0$

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2 years ago