9y - 2 < 13 and 3y - 2 > -29. what is the interval notation?

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Which of the following graphs represents the function f(x) = 2^x

Through non-collinear points there is exactly one plane.