Evaluate the integral using cylindrical coordinates: ∫∫∫3sin(x2 y2)dxdydz where t: 0≤x≤1,0≤y≤1−x2−−−−−√,0≤z≤1.

In a quadratic function of the form ax^2+bx+c, which of the following is not true? a. the y-intercept is c. b. if a is positive, the parabola opens up. c. the vertex has an x-coordinate of -b/2a. d. the axis of symmetry is the line y=-b/2a.