Question

The velocity of car is 4t^2+2t+4 then compute its instantaneous velocity at t=4
(Velocity is given in terms of time)

Answer 1

4t² +2t+4

Put t=4 in the equation

4(4)²+2(4)+4

= 64 +8+4=76

Velocity is 76 m/sec

Answer 2

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