The number of tickets sold for a concert event can be modeled by y-1x^2/10+3x+5 where x is the time in hours since the tickets have begun to sell, and y is the number of tickets sold per hour. For how long will tickets be sold? (In other words, for how long will y≥0) A. 30 hours B. 31.58 hours C. 63.16 hours D. 75.12 hours

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up