2 years ago

Make the range of the function f(x) =x^2+2x-1

1 answer:

6 0

The range is Range:
[-2less than and equal to y]

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GrogVix [38]

Answer:

-27÷(-3)-9

Step-by-step explanation:

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babymother [125]

the anser is $71.52

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Butoxors [25]

Answer:

x=2; y=1

Step-by-step explanation:

Since the triangle is equilateral, which means three sides have the same length.

So we have：4x-y=2x+3y=7

$4x-y=2x+3y\\4x-y+y=2x+3y+y\\4x=2x+4y\\2x=4y\\x=2y\\$

Since 2x+3y=7 and plug in x=2y

we have

$2x+3y=7\\2(2y)+3y=7\\4y+3y=7\\7y=7\\y=1$

and since y=1

x=2

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2 years ago