2 years ago

If y=3x - 5, find the value of y when x = -1yn

1 answer:

6 0

Answer:

$y = 3x - 5 \\ x = - y \\ substitute \: - y \: in \: the \: place \: of \: x \\ y = - 3y - 5 \\ y + 3y = 5 \\ 4y = 5 \\ y = \frac{5}{4}$

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GalinKa [24]

Answer:

Step-by-step explanation:

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3 years ago

Vadim26 [7]

Answer:

All of the answers if you consider the dashes both negative and positive, but if they are negative then its the last 3 only.

Step-by-step explanation:

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s344n2d4d5 [400]

Y=-3x+5
the slope is negative because the line is going down from left to right
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2 years ago

fomenos

Answer:

Correct choice is $\dfrac{x+26}{5}$

Step-by-step explanation:

1. If $F(x)=5x-6,$ then you can find the inverse $F^{-1}(x):$

$y=5x-6,\\ \\5x=y+6,\\ \\x=\dfrac{y+6}{5},\\ \\F^{-1}(x)=\dfrac{x+6}{5}.$

2. If $G(x)=x-4,$ then

$y=x-4,\\ \\x=y+4,\\ \\G^{-1}(x)=x+4.$

3. Hence,

$G^{-1}(F^{-1}(x))=G^{-1}\left(\dfrac{x+6}{5}\right)=\dfrac{x+6}{5}+4=\dfrac{x+26}{5}.$

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Mrrafil [7]

Answer:

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