If y = f(x) = A(0.5)x + B is increasing on the interval ( −∞ , ∞ ), which statement must be true?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?