LuluMathLover101
13.01.2022 •
Physics
Emily is riding her bike at a velocity of 10m/s and a cat runs in front of her causing her to slam the brakes and stop. What was her acceleration?
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Ответ:
D. f(x) = 2x^2 − 2x − 4; A = 8
Step-by-step explanation:
The area of a rectangle is given by the formula length x wide.
In this case we have that the length is 2x -4 and the wide is x +1
Therefore, the area will be:
Now, when x = 3 we would have:
Thus, the right answer is D.