3 years ago

Suppose y varies directly as x. If y = 30 when x = 8, find y when x = 4.

1 answer:

RSB [31]3 years ago

6 0

She she even r Rene Berne r she herb e she e d

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saveliy_v [14]

So the steps to find the inverse are:

$f(x)=-2+ \frac{2}{3}x\\\\y=-2+ \frac{2}{3}x\\\\x=-2+ \frac{2}{3}y$

Now let's solve for y as such:

$x=-2+ \frac{2}{3}y \\\\x+2=\frac{2}{3}y\\\\\frac{3}{2} (x+2)=y\\\\\frac{3}{2}x+3=y\\\\\frac{3}{2}x+3=f^{-1}(x)$

<u>Your inverse is f^-1(x) = 3/2x + 3</u>

8 0

2 years ago

AveGali [126]

Answer:

12m

Step-by-step explanation:

3 0

2 years ago

solmaris [256]

You can invite 2 people+ you so that would be 3 people.So 1 bevrage and one sandwitch each person and you have 10$ tip

5 0

3 years ago

snow_lady [41]

The answer would be 12.599

5 0

2 years ago

Elanso [62]

Answer:

slope= 10/9

y intercept= -11/9

Step-by-step explanation:

9y= 10x -11

y= 10/9x -11/9

slope= 10/9

y intercept= -11/9

4 0

2 years ago