Question: The function h defined by h(t) + (49 +4.9t) (10-t) models the height, in meters, of an object t seconds after it is dropped

The function h defined by h(t) + (49 +4.9t) (10-t) models the height, in meters, of an object t seconds after it is dropped from a helicopter. From what height is the object dropped? O a 500 O b 490 Oc 480 Od 460

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