3. Find the slope-intercept form of the equation of the line containing the points (21 1) and (4, 9). 11. Divide the following rational function into the form of G (1:) + MUST Show work for full credit m5+633+1lx+7 x2+4 12. Determine the quadratic function whose vertex is (1, 5) and whose yintercept is 3. (CRITICAL THINKING) \f21. If 31116 = i and 0 |/\\ 77 .955 (a) determine the EXACT value of cos 26' (b) determine the EXACT value of 8.2111(3)