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?
E. f(x)=2x^3 +5

For which pair of functions is (gof)(a)=|a|-2?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?