Find the number of turns or bumps in the graph of the function f(x) = 7x3 - 14x2 + 2.​

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Find the commission on a $590.00 sale if the commission is 15%.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible