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3 years ago

State which of the following sets of ordered pairs represents a function. Please pick the best option

Mathematics

1 answer:

IRINA_888 [86]3 years ago

3 0

Answer:

set A and set B...it is the best and right option bro...option c is wrong because 2 elements of domain has relation with 1 range

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Solve the system of linear equations by graphing. y = –5/2 x – 7 x + 2y = 4 What is the solution to the system of linear equatio

Anestetic [448]

Keywords

system; linear equations; graphing; solution

we have

$y=-\frac{5}{2}x-7$ -------> equation A

$x+2y=4$

$x=4-2y$ ----> equation B

The system of linear equations is composed of equation A and equation B

Substitute the equation B in equation A

$y=-\frac{5}{2}[4-2y]-7$

$y=-10+5y-7$

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$x=4-2[17/4]=-4.5$

The solution is the point $(-4.5,4.25)$

Using a graphing tool

see the attached figure

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$(-4.5,4.25)$

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2 years ago

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If f(x)=x^2-3x,find f(-18). Show work

scoundrel [369]

Answer: 378

-------------------------------------
-------------------------------------

Work Shown:

f(x) = x^2 - 3x
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3 years ago

Solve for x: 3(x + 1) = −2(x − 1) + 6.

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