Diego measured the length of a pen to be 21 cm. The actual length of the pen is 23 cm. Which of these is closest to the percent
1 answer:
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To find the inverse, swap the x's and y's and solve for y. <em>Remember that a(x) represents y</em>
y = - 2 <em>given</em>
x = - 2 <em>x's and y's swapped</em>
x + 2 = <em>added 2 to both sides</em>
y(x + 2) = 1 <em>multiplied y on both sides</em>
y = divided (x + 2) on both sides
Answer: =