Sammy drew a rectangle that was w inches wide. The expression 2(2w) + 2(w) represents the perimeter of the rectangle that Sammy
2 answers:
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Answer:
Step-by-step explanation:
<u>Completing the square</u>
when
Given equation:
Subtract 40 from both sides:
Divide both sides by 3:
Add the square of half the coefficient of to both sides:
Factor the left side and simplify the right side:
Square root both sides:
Add 4 to both sides and simplify the radical:
For this case we have the following function:
We change the variables:
From here, we clear the value of y.
Then, we make the following change:
Finally, the inverse function is:
Answer:
The inverse of the given relation is: