5 Answered Questions for the topic Mathem

11/17/21

Determine the intervals on which the given function is concave up or down and find the point of inflection
Determine the intervals on which the given function is concave up or down and find the point of inflection. Let f(x) = x(x−4√x)The x-coordinate of the point of inflection is: ____The interval... more
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03/15/20

From a group of 5 Business students and 7 Hospitality students, a committee of 5 members is to be formed to discuss plans for the exhibit. How many committees can be formed given each condition?
a. All are Hospitality students b. 3 are Business students c. At most 2 are Business students
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03/15/20

A woman has 10 close friends whom she wants to invite to her birthday dinner.

a. In how many ways can she invite 8 or more friends to her party? b. In how many ways can she seat her 10 friends around a circular table?
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Mathem Math Cal Pre

07/11/19

Math word problem

A motorboat takes 5 hours to travel 200 km going upstream. The return trip takes 4 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
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07/10/19

Math Word problem

Debra, Kareem, and Ahmad sent a total of 133 text messages over their cell phones during the weekend. Debra sent 5 more messages than Kareem. Ahmad sent 4 times as many messages as Debra. How many... more
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