\f\fThe graph of Flx) is given to the right. Find the following. 5) Find all numbers for which the rational function is undefined. Then simplify the rational expression. 2 1 x2+5x6 6) Add or subtract as indicated. Simplify your answer and leave it in factored form. 3 x b) x%-1 x2+2x+1 7) Rewrite the following quadratic function in standard form, f(x)=a (x - h) L by completing the square: f{ix) = x* - 6x + 4 8) Multiply and simplify the following rational expressions: i- 9 x2 +10x+ 25 E 3 X +5 + x 12 9) Simplify the complex fraction. \fMAT 0470 NAME PRE-EXAM 1 You must show your work. Partial credit may be given for work shown. 1) For the function f{x) whose graph iz given below, find the following. a) All values of x for which the function 15 below the x -axis. Write your answers using interval notation. b} All values of x for which the function is above the x -axis. Write your answers using interval notation