Find the domain of the given function. √x+8)

f(x) =
y
(x+4)(x-6)

A.) x ≠ -8, x ≠ -4, x ≠ 6

B.) x > 0

C.) All real numbers

D.) x ≥ -8, x ≠ -4, x ≠ 6

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?