A - c = d - r solve for a

Ill mark the brainliest if you me with the these three questions 7,8,9

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?