Please help me with this Calculus question and answer every part!

TOPIC #9: CALCULATOR PRACTICE Directions: Use your graphing calculator to figure out the desired characteristics of each function shown below. Write all answers on a separate sheet of-paper titled "Calculator Practice." Much of Calculus requires the use of a graphing calculator and it's important to be fluent in finding these characteristics of functions. Find the following characteristics for each function if applicable: Domain Decreasing interval(s) Zeros . Y-intercept Maxima Horizontal Asymptotes Minima Vertical Asymptotes Increasing interval(s) Points of Discontinuity X-4 1) f (x) = 2-16 2)y=x3 -x2 -5x-6 3) f ( x ) = 2* + 1 X- 2 4) y = V9 - x2 5) y = In(x2 - 1)