Which answer describes the function f(x)=x^5+2x ? odd even neither

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?