Find any for the following equation. 6x3y - 10x + 5y2 = 18 5. Find the open intervals where the following function is increasing or decreasing and list any extrema. 32 g(x) = x+ 6. Find the open intervals where the following function is concave up or concave down and list any inflection points. f(x) = 32x3 - 4x+ 7. The estimated monthly profit (in dollars) realized by Myspace.com from selling advertising space is P(x) = -0.04x2 + 240x – 10,000 Where x is the number of ads sold each month. To maximize its profits, how many ads should Myspace.com sell each month?