On a road trip, a family drives 350 miles per day. How many days, d, must they travel to reach a distance of at least 1,400 mile
2 answers:
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Answer:
<h2>Step-by-step explanation:
<em><u>Given</u></em><em><u> </u></em><em><u> </u></em>
<em><u>Since</u></em><em><u>,</u></em>
<em><u>Hence</u></em><em><u>,</u></em>
Answer with Step-by-step explanation:
We are given that a function f(x) is continuous on ().
1.f'(-1)=0 and f''(-1)=-7
We have to find information about f.
When f'(-1)=0 and f''(-1)=-7 < 0
Then, function is maximum at x=-1.
Therefore, at x=-1, f has local maximum.
Answer:a)at x=-1 ,f has local maximum.
2.) if f'(4)=0 and f''(4)=0
We know that when f''(x)=0 then test fails then the function has not maximum or minimum.
Therefore, at x=4 , f has not a maximum or minimum.
Answer:c) at x=4, f has not a maximum or minimum.