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3 years ago

5

HELP PLEASE!! Please don't give me sites or links, those won't work since the site is blocked!

1 answer:

larisa86 [58]3 years ago

6 0

Answer:

x <= 1/4 (less than or equal to)

Step-by-step explanation:

In this equation, all you need to do is isolate the variable. To do this, you just move everything that isn't x to the right side. To get rid of the 4, divide both sides by 4. Your result will be x <= 1/4.

Note: Since we're dividing both sides by a positive number, we don't have to change the direction of the inequality. If you were to divide both sides by -1 you would have to reverse the inequality. Example:

x > 1 or 5 > 1

-x < -1 or -5 < -1

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3 years ago

-. In Ms. Nice's class of 9 students, the average

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3 years ago

What are the x-intercepts of the equation?<br> <img src="https://tex.z-dn.net/?f=r%28x%29%20%3D%20x-1%2Fx%2B4" id="TexFormula1"

cestrela7 [59]

Answer:

<u>The only x-intercept is x = 1</u>

Step-by-step explanation:

The equation is:

$r(x)=\frac{x-1}{x+4}$

We can substitute y for r(x), to write in the notation:

$r(x)=\frac{x-1}{x+4}\\y=\frac{x-1}{x+4}$

To get y-intercept, we put x = 0

and

To get x-intercept, we put y =0

We want to find x-intercepts here, so we substitute 0 into y and solve for x. Shown below:

$y=\frac{x-1}{x+4}\\0=\frac{x-1}{x+4}\\0(x+4)=x-1\\0=x-1\\x=1$

<u>The only x-intercept is x = 1</u>

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3 years ago