This is in Differential Calculus. This is only multiple choice. Provide necessary solutions for each items. Follow the numbering thank you and Godbless.

10. A particle moves along the curve y = sinx. If =0 and - 2 cm's'. as the particle passes through (0, 0), find d'y at that instant. A) 5 cm/s C) 2 cm/s B) 3 cm/s D) 1 em's 1 1. A particle moves along the parabola y = 2x* +x +4. At what point do the abscissa changes at the same rate as the ordinate? A) (1,7) C) (0,4) B) (-2, 10) D) (-1,5) Prepared by: ETSorianoJr 2 of 5 12. A particle moves clockwise along the ellipse x + 4y = 8 with a constant speed of 5 cm/'s, i.e., df di is always equal to 5 cm/s. Find as the particle passes through (2, 1). 1 05 05 1 15 25/3 35 TS A) 3-45 cm's C) 4:/5 cm/'s B) 245 cm/s D) 5 cm's