anonymous
  • anonymous
Number of pages 50 100 150 200 Cost 1.25 1.85 2.45 3.05 Which equation gives the cost, y, in terms of the number of pages, x? A. y= 0.012x + 49.985 B. y = 0.012x + 0.65 C. y = 83.3x + 0.65 D. y = 0.012x + 1.25
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
okay then about this one
DanJS
  • DanJS
notice the increase in x is the same from point to point, and the increase in y is constant, 0.06 more than the last... it is a linear equation y=m*x+b
DanJS
  • DanJS
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DanJS
  • DanJS
calculate the slope, and the y-intercept b (initial cost of 0 pages)
DanJS
  • DanJS
the cost is determined by the #pages, so it is independent ly chosen variable, and is usually horizontal in the x direction
anonymous
  • anonymous
thank you can you help me with this one though
anonymous
  • anonymous
Which is the equation of the given line in slope-intercept form? a.y= -1/4x+1 b. y= -4x-1 c. y= 4x-1 d. y= 4x+1
DanJS
  • DanJS
slope-intercept form y = m*x+b
DanJS
  • DanJS
use any 2 points on the line to figure the slope m, that one looks lik eyou can read the y-intercept right from the grpah, crosses a gridline on y-axis
DanJS
  • DanJS
what about line equations is the confusing part?
anonymous
  • anonymous
All of it cause i forgot all about this stuff

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