QUESTION 1
Which of the following has a positive discriminant?
a. f(x) = -(x + 5)2 - 3
b. f(x) = (x-3)
c. x) = (x+4)2 + 3
d. f(x) = (x + 3)2 - 6

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Alexandra drove from michigan to colorado to visit her friend. the speed limit on the highway is 70 miles per hour. if alexandra's combined driving time for the trip was 14 hours how many miles did alejandra drive?

Lowest fraction using common term 28/35