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rodikova [14]
3 years ago
11

What is the inverse of the given function? y = 7x2 -­ 3. A. B. C. D.

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0
Y = 7x^2-3

x=7y^2-3


.......................


Serjik [45]3 years ago
4 0

y = ± √x + 3/7 is the answer 100% sure

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Step-by-step explanation:

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HELPPP DOES ANYONE KNOW THE ANSWER???
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Step-by-step explanation:

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2 years ago
Under her cell phone plan, Sarah pays a flat cost of $69 per month and $4 per gigabyte. She wants to keep her bill at $83.80 per
zalisa [80]

Using a linear function, it is found that Sarah can use 3.7 gigabytes while staying within her budget.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

Considering the flat cost as the y-intercept and the cost per gigabyte as the slope, the cost of using g gigabytes is:

C(g) = 4g + 69.

She wants to keep her bill at $83.80 per month, hence:

C(g) = 83.80

4g + 69 = 83.80

4g = 14.80

g = 14.80/4

g = 3.7.

Sarah can use 3.7 gigabytes while staying within her budget.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

7 0
2 years ago
Help? First answer will be marked brainest
sergejj [24]

m = # of minutes

13.8m - 425 = 5000

Hope this helps! ;)

5 0
2 years ago
Write the equation of the best fit line in slope-intercept form. Include all of your calculations in your final answer.
Dovator [93]
I am not good at this so ii wont be able to solve it for ya but i can help you.

So to find the line of best fit you have to pick to pick to points on your scatter plot. Then with those two points you add the y points together then add the x points together. Your equation with be what you got in all y over x. That is your slope. I hope this helped you!
3 0
3 years ago
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