Which of the following functions are odd? Select all that apply. A f(x) = 7x^5 - 4x
B. f(x)= 3x^2 -9x
C. f(x) =6x^7+4x^3 -2
D. f(x)=-5x^9 +8x^5+4x^3
E. f(x)=2x^3 +5

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?

Name two numbers whos difference is -3