Question 3 (1 point) The position function of an object moving horizontally along a straight line as a function of time is s(1) - 805 - 40 , in meters, at time, /, in seconds. Determine the acceleration of the object at / = 4 s. O 352 m/s2 0 56 m/s2 O 248 m/s2 184 m/s2Question 4 (1 point) 3 W/U What is the second derivative of A(x) = X -X +6? O f" ( x ) = 5x2 - X O " (x) = 5x2 X + 6x O f" (x) = 10x+ 3 4~X O . f"(x) = 10x + NX +6Question 5 (1 point) For what values of f, in seconds, does the particle travel in a positive direction if its velocity is given by the graph below? -10 [6, 00) O (0, 6) O [0, 6] O (6, co)Question 6 (1 point) Determine the maximum value of f(x) = -x* + 2x-+ 2 on -2 5 x $3. 3.185 2 O 18 O -7Let the graph below represent f(x) on the interval [-2, 2] For which values of x is f (x) = 0? 3 - 2+ 1+ + -2 -1 3 -2+ -3+ Oo O -2, - 1, 1, 2 O -1, 1 O -2, -1, 0, 1, 2Question 8 (1 point) Find the absolute extreme values of the function, h(x) = =x + 2, -3 s x