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snow_tiger [21]
3 years ago
6

Find the output for each input of y = 2x – 1.

Mathematics
1 answer:
Jlenok [28]3 years ago
5 0
1) False. You'd substitute -1 in for x, not y.
2) The scale factor is 1ft=14ft so true.
3) The first is a direct variation since y=6x is true.
4)The airplane would be 132ft in real life.
5) None of the functions made sense with the graph. I didnt really know what "thing" you were talking about on that one.
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Find two sets of parametric equations for the rectangular equation. y=(x-6)^2-7x.
jekas [21]

The two sets of parametric equations for the rectangular equation are;

  • If x=t+6 then y= t²-7t-42.
  • If x=7t then y= 49t² - 133t +36.

<h3>What are the parametric equations from the rectangular equation?</h3>

It follows from the task content that the parametric equations can be determined as follows;

By substituting the x= t+6 into the rectangular equation; we have;

y = (t+6-6)²-7(t+6)

y = t²-7t-42.

By substituting the x= 7t into the rectangular equation; we have;

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y = 49t² - 84t +36 - 49t

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