<span>Critical points are where the derivative is 0, i.e. where it crosses the x - axis
The Critical points lies where the derivative is 0, while it crosses the x-axis, SO, in this case the choice 3 looks like best answer for this.
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Answer:
the answer is 800in
Step-by-step explanation:
6n because 5n +n =6 its probably wrong so hope its right??????
