1. Where do the minimum instantaneous rates of change occur for the function shown here? 2 1 y = -sinx 1 -2 A (2k + 1)n, keZ B 2kn, keZ + kn, KEZ D -+ 2kx, ke Z 2 2 2. If f (x) = sin 3x + cos 2x, then f'(x) = A cos 3x - sin 2x B 3sinx + 2cosx ( 3cos 3x - 2sin 2x D 5cos 5x 3. If g(x) = 3cos 2x, then g'(x) = A 6cosx B -6sinx C - 6sin 2x D -6cos 2x4. If b(x) = xsinx, then h'(x) = A cosx B sinx - cosx ( sinx + x - cosx D sinx + xcosx 5. Which is the second derivative of the function y= -cosx with respect to x? A = sin x B day =-sinx da.2 daz c day = cos x D d'y = -COS X d.x.2 dx2 6. What is the slope of the curve y = 2sin.x at x = A -V3 B V3 C -1 D 1