csat-suneung 2017 Q12

csat-suneung · South-Korea · csat__math-humanities 3 marks Variable acceleration (1D) Compute total distance traveled over an interval
The velocity $v ( t )$ at time $t ( t \geq 0 )$ of a point P moving on a number line is $$v ( t ) = - 2 t + 4$$ What is the distance traveled by point P from $t = 0$ to $t = 4$? [3 points]
(1) 8
(2) 9
(3) 10
(4) 11
(5) 12
The velocity $v ( t )$ at time $t ( t \geq 0 )$ of a point P moving on a number line is
$$v ( t ) = - 2 t + 4$$
What is the distance traveled by point P from $t = 0$ to $t = 4$? [3 points]\\
(1) 8\\
(2) 9\\
(3) 10\\
(4) 11\\
(5) 12