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2 years ago

3.5.3 Test (CST): Functions

1 answer:

6 0

Based on the function shown in the image attached below, the range of this function is equal to {-8, -3, 5, 7}.

<h3>What is a range?</h3>

A range can be defined as a set of all real numbers that connects with the elements of a domain. This ultimately implies that, a range is the solution set (output of a function) because it comprises all second elements (y-coordinates) of ordered pairs.

Based on the function (see attachment), we can logically deduce that the range of this function is given by {-8, -3, 5, 7} and they all mapped to the domain.

Read more on domain here: brainly.com/question/17003159

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Jan 258:00:56 AM

horsena [70]

Answer:

The equation of the straight line in point-slope form

$y - 4 = \frac{7}{9} (x-0)$

The equation of the straight line

7x -9y +36 =0

Step-by-step explanation:

Step(i):-

Given that the points (0,4) and (-9,-3)

The slope of the line

$m = \frac{y_{2} - y_{1} }{x_{2}- x_{1} } = \frac{-3-4}{-9-0} = \frac{7}{9}$

Step(ii):-

Equation of the straight line passing through the point (0,4) and having slope m = 7/9

$y - y_{1} = m (x-x_{1} )$

$y - 4 = \frac{7}{9} (x-0)$

9 y - 36 = 7x

9y = 7x + 36

$y = \frac{7x}{9} +\frac{36}{9}$

Slope - intercept form

$y = \frac{7x}{9} +4$

Final answer:-

The equation of the straight line in point-slope form

$y - 4 = \frac{7}{9} (x-0)$

The equation of the straight line

7x -9y +36 =0

8 0

3 years ago

a line with a positive slope and a line with a negative slope are parallel. sometimes always or never?

otez555 [7]

Answer:

Never

Step-by-step explanation:

This statement is never true. Parallel lines have the exact same slope in every instance. This means that if one is negative and one is positive, then they can never be the same.

4 0

3 years ago

Please Please help!!!!!

love history [14]

False, i hope this helps

7 0

4 years ago

Read 2 more answers

Can 7:13 be simplified

gtnhenbr [62]

Answer:

no i don't think so