A car changes its position (x) as a function of time (t) as follows: x = 4t² – 12, with x in metres.

Question

A car changes its position (x) as a function of time (t) as follows: x = 4t² – 12, with x in metres. Find the displacement of the car between t₁ = 1 s and t₂ = 2 s.

Answer 1

A car changes its position (x) as a function of time (t) as follows: x = 4t² – 12, with x in metres. Find the displacement of the car between t₁ = 1 s and t₂ = 2 s.

-12 m
4 m
-4 m
12 m ✓

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