Given that f(x)=x+9 and g(x)=4x
Evaluate:
a) fg(2)
b) gf(2)

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.