If a car is traveling 10mph, and it speeds up 5mph, how fast is the car going?

there are one dozen donuts in a box. if i 8,8 donuts. how many are left?

both of these questions should have the same answer

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