1) For the following quadratic functions , find the extreme points ( x* , y* ) , find the x- and y-intercepts, and use these results to draw the functions on separate graphs. 1a) 3,2-25x - 7 1b) - x" + 12 x -8 1c ) - 5x-x+ 14) 2 x + 5 - 6x2 = 0 2) Solve the following equations for x without using logarithms: 20) 22 = 16 26) 23x - 1 _ 1 = 27 2c ) 10 * - X - 2 = 1000 3) If the population of the U.S. grows at a rate of 0.6% per year , in how many years will it double ? ( Show complete and precise calculations. ) 4) Solve the following equations for x : 40 ) 2 0- 3 x = 18 46) 62x-1 - 5 40) e2x- 32-1=0 40) 2e* +3 e" - 8=05) Solve the following equations for x : 5a) en [ x2 - 2 x +2] = 0 56) 34 = 8 Sc) 3 lax + 2 en x = 6 5d) 4x _ 4*-1