5 Answered Questions for the topic College Precalculus

10/09/19

#### Precalculus word problem

Suppose the average number of vehicles arriving at the main gate of an amusement park is equal to 10 per min, while the average number of vehicles admitted through the gate per minute is equal to...
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10/09/19

#### Precalculus word problem

A rectangular piece of cardboard measuring 12 inches by 18 inches is to be made into a box w/ an open top by cutting equal-sized squares from each corner and folding up the sides. Let x represent...
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10/09/19

#### Given some zeros of a polynomial function find all zeros of the function

P(x) = 2x^4 - x^3 - 27x^2 + 16x - 80, with zeros: 4, -4

College Precalculus

01/04/19

#### The sum and the number of terms in an arithmetic sequence between two numbers

I’m troubled with this question—Given the arithmetic sequence 110,116,122,128, ..., obtain the number of terms between 400 and 600, and their sum.I’ve been given some instruction, but I can’t wrap...
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10/05/15

#### Word problem about driving for 55mi/h to anther city, staying for 25hrs, and driving 45mi/h back. She is back 49 hours after leaving.

Wilma drove at an average speed of 55 mi/h from her home in City A to visit her sister in City B. She stayed in City B 25 hours, and on the trip back averaged 45 mi/h. She returned home 49 hours...
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