1. Find the x- and y-intercepts of the rational function {image} Choose the correct answer from the following:
x-intercept ( 16, 0 ), y-intercept ( -2, 0 )
x-intercept ( -2, 0 ), y-intercept ( 8, 0 )
x-intercept ( -2, 0 ), y-intercept ( 2, 0 ) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

2. Find the slant asymptote of the function {image} Choose the correct answer from the following:
y = x + 7
y = x - 8
y = x - 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

3. Find the points of local minimum and local maximum of the function {image} Choose the correct answer from the following.
local maximum ( -7, -7 ), local minimum ( -1, 5 )
local maximum ( -1, 5 ), local minimum ( -7, -7 )
local maximum ( 1, -5 ), local minimum ( 7, 7 ) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

4. After a certain drug is injected into a patient, the concentration C of the drug in the bloodstream is monitored. At time t > 0 (in minutes since the injection), the concentration (in mg/L) is given by {image} What is the eventual concentration of the drug? Choose the correct answer from the following.
0 mg/L
3 mg/L
50 mg/L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50