104x^4-512x^3+1216^2-1408x-32128
I didn’t feel like typing all my work, so basically all you have to do is combine like terms. I hope this helped!
The equation most closely models the line of best fit for the scatter plot is y = 2.5x
<h3>Equation of a line</h3>
A line is the distance between two points. The equation of a line in point-slope form is given as y =mx + b
where:
m is the slope or rate of change
b is the intercept
Using the coordinate points on the line (3, 5000) and (9, 20000)
Get the rate change(slope)
Slope = 20000-5000/9-3
Slope = 15000/6 = 2500
Determine the y-intercept by substituting
5000 = 2500(3) + b
b = 5000 - 7500
b = -2500
Determine the equation
y = 2.5x - 2.5
Hence the equation most closely models the line of best fit for the scatter plot is y = 2.5x
Learn more on line plot here: brainly.com/question/8989301
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Ignore the ≥ for the moment and just make this into a y = mx + b equation is a neat trick. Here's the work:
4x + 6y ≥ 10 : Subtract both sides by 4x
6y ≥ -4x + 10 : Divide both sides by 6
y ≥ -4/6x + 5/3
Now graph this line where when x = 0, y = 5/3 and it decreases by 4/6 as x increases by 1. Now shade everything that is above the drawn-line because y-values that are greater than the y-value of that equation counts. Like this answer? Give it a Brainiest answer if so. Thanks.
Answer:a
4:3
Step-by-step explanation: i hop this help