Consider the line y = mx + c on the interval [a, b]. Use the arc length formula to show that the length of the line is (b − a) √ 1 + m2 . Verify this by computing the length of the segment of the line extending from x = a to x = b using the distance formula.

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Me. i can't figure out this question. give an explanation too. .