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Posted: **Mon Jul 11, 2022 11:15 am**

: If An Object Moves Along The Y Axis Marked In Feet So That Its Position At Time X In Seconds Is Given By F X 120x 2 1 (9.86 KiB) Viewed 37 times

If an object moves along the y-axis (marked in feet) so that its position at time x (in seconds) is given by f(x)=120x-20x², find the following. (A) The instantaneous velocity function v= f'(x) (B) The velocity when x = 0 and x=4 sec (C) The time(s) when v=0