Let swn ! n, where for each n 2 n, s. n/ is the sum of the distinct natural number divisors of n. this is the sum of the divisors function that was introduced in preview activity 2 from section 6.1. is s an injection? is s a surjection? justify your conclusions.

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.