Problem 1 The height of an object dropped from 490 meters after t seconds is given by h (t ) = - 4.9t + 490. a. When does it hit the ground? b. Estimate how fast it is going when it hits the ground. Defend your strategy. Problem 2 . . . . . . . .. ... . ... . .... g - - - - . . . . . .. . .. . . .. ..... .............. . . . . . . .. ....... K . . . . .. .... .. . . . . . . 2 . . . . . 8 . .. . 1...... . . .. . . . . . ... . . .. . . ........ . . . . ...3 . ...... .. .. . ..... f and g are shown above. Calculate the following. a. lim f(x) = x - 2 b. lim f(x) = x - -2 c. lim g(x) = x - 2