Which pair of functions are inverses of each other? O A. f(x) = 1 + 15 and g(x) = 12x - 15
B. f(x) = ý - 10 and g() =10
c. f(x) = 13c and g(x) = (3) :
D. Rx) = 11x- 4 and g(x) = ***

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?