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3 years ago

⚠️⚠️ please answer the question!! Marking brainliest ⚠️⚠️

Mathematics

2 answers:

Leona [35]3 years ago

7 0

Answer:

y-intercept is (0,-5)

EastWind [94]3 years ago

5 0

Answer:

Step-by-step explanation:

y intercept= -5

slope=4/5

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Answer:

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Step-by-step explanation:

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If f(x) = 2x - 5, then f(4) is _____.

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2(4)-5
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2 years ago

For what value of x is (2x^2+8x)/(x+4)(x^2-9) undefined?

irakobra [83]

Answer:

The value at x =3 is undefined for the given expression

Step-by-step explanation:

Given expression is $\frac{2x^2+8x}{(x+4)(x^2-9)}$

To find for what value of x is undefined in the given expression :

$\frac{2x^2+8x}{(x+4)(x^2-9)}=\frac{2x(x+4)}{(x+4)(x^2-9)}$

$=\frac{2x}{x^2-9}$

$\frac{2x^2+8x}{(x+4)(x^2-9)}=\frac{2x}{x^2-9}$

If we put x=3 in the above expression we get

$\frac{2x}{x^2-9)}=\frac{2(3)}{3^2-9}$

$=\frac{6}{9-9}$

$=\frac{6}{0}$

Therefore $\frac{2x^2+8x}{(x+4)(x^2-9)}=\frac{6}{0}$

The value at x =3 is undefined for the given expression

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3 years ago

GIVING BRAINLIEST ONLY IF CORRECT

7nadin3 [17]

Answer:

last one

Step-by-step explanation:

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