Write the vector u as a sum of two orthogonal vectors, one of which is the vector projection of u onto v, projvu u=(-8,8) , v= (-1,2)

A. (-0.5,1) + ( 7.5,-9) C. (-1,2) + (-2,-1)

B (-1,2) + (-7,-10) D (1.6,-3.2)+ (-9.6,-4.8)

Use the graph of the sine function y=2sinθ shown below

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol