For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) = 
A. removable discontinuity at (2, 8);
x-intercept: 
, y-intercept: (0, 2);
no asymptotes
B. removable discontinuity at (2, 0);
x-intercept: (2, 0), y-intercept: (0, 2);
no asymptotes
C. removable discontinuity at (2, -4);
x-intercept: 
, y-intercept: (0, 2);
no asymptotes
D. removable discontinuity at (2, 4);
x-intercept: (-2, 0), y-intercept: (0, 2);
no asymptotes
Answer: A
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Find the exact value of the indicated trigonometric function of ?, if ? is an angle in standard position whose terminal side contains the given point.(12, 16); find csc ?.
A. 
B. 
C. 
D. 
Find the domain of the function.f(x) = x - 
A. (-?, 0) or (0, ?) B. (-?, 4) or (4, ?) C. (-?, 5) or (5, ?) D. (-?, ?)
The number of television sets that consumers buy depends on price. The higher the price, the fewer TVs people will buy. The equation that relates price to the number of TVs sold at that price is called a demand equation. If the demand equation for a 13-inch TV is 
, where p is the price and q is the number of TVs sold at that price, how many TVs will be sold at a price of $159?
?
Enter the number without the units.
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.Describe two advantages of the substitution method over the graphing method for solving systems of equations.
What will be an ideal response?