i need help on number 3!!

quia. Calculator Is NOT PERMITTED. Quia - AQU2 You have 01 : 23:24 left Answers will be auto-submitted when time expires. 1. Evaluate the integral: (1, 213 - 3.x2 - A d. O o 7/4 3 0 4 2. NO CALCULATOR Find the value of x at which the tangent line to / ( r ) == vis parallel to the line passing through the endpoints on the interval [1, 16]. Give answer in simplified form. Let f be the function given by / (.r ) "If four subintervals of equal length are used, what is the value of the left Riemann sum approximation for - 1/r. Give answer in simplified form 4. The velocity of a particle moving along the x-axis is given by v(t)=sin(2t) at time t. If the particle is at x=4 when t=0, what is the position of the particle when 0 MacBo