3 years ago

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Mathematics

1 answer:

dalvyx [7]3 years ago

8 0

Answer:

Hello how may i help you

Step-by-step explanation:

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Y varies inversely as x; x = 3 when y=-2. What is the constant?

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Answer:

I think the answer is 2 and three

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2x-11 = k

add 11 to each side

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4 years ago

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Given that f(x) = x2 – 5x – 14 and g(x) = x – 7, find (f +g)(x) and

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Answer:

$(f+g)(x)=x^2-4x-21$

Step-by-step explanation:

We are given:

$f(x)=x^2-5x-14\text{ and } g(x)=x-7$

And we want to find:

$(f+g)(x)$

This is equivalent to:

$=f(x)+g(x)$

Therefore, by substitution:

$=(x^2-5x-14)+(x-7)$

Rearranging gives:

$=(x^2)+(-5x+x)+(-14-7)$

Combine like terms:

$=x^2-4x-21$

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6y = -x - 7
y= 6x - 3 
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y = x/6 + 7/6 
y= 6x - 3 

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