NOTE: I WILL NOT VERIFY MY RESULTS ALGEBRAICALLY. I HAVE BEEN DOING SO ALL WEEK LONG. [ATTACH=full]3453[/ATTACH] Question 19 y-intercept is 9. x-intercept is 3. Question 20 y-intercept is 16. x-intercepts are -2 and 2. Question 21 y-intercept is 2. x-intercept is -2. Question 22 y-intercepts are 2 and -2. x-intercept is 4. Note: Back to Calculus on Friday through the weekend.