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 Depdendent Variable

 Number of equations to solve: 23456789
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 Dependent Variable

 Number of inequalities to solve: 23456789
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## Multiple Choice Questions

Instructions: For each of the following questions, select the “best” answer and darken the corre-
sponding oval on your scantron. Good luck!

1. One of the zeros of f(x) = x2-4x-6 is 2. The function f(x) = x3+x-3 is
(a) even (b) odd (c) neither even nor odd

3. Fina all values of k so that kx2-3x-8 = 0 has exactly one real root. 4. Simplify the complex number 5. Consider the function The function f has a zero at 6. The function ƒ of Exercise 5 has a vertical asymptote 7. The function ƒ of Exercise 5 has a horizontal asymptote 8. The function has an oblique asymptote Instructions. Please place the solution of each of the following questions on graph paper. You
must show all supporting work to receive credit for your solution. Please note that there are six
exercises in this section.

Exercise 1. Using hand calculations only, provide an algebraic solution of the inequality Shade your solution on a number line, then use both interval and set-builder notation to describe

Exercise 2. Solve the equation for T.

Exercise 3. Given the function f(x) = x2+5x, simply the expression as much as possible.

Exercise 4. Using hand calculations only, present an algebraic solution of the radical equation Exercise 5. Consider the quadratic function

f(x) = x2-8x-9.
Perform each of the following tasks on graph paper.
(a) Use the method of completing the square to put the quadratic equation in vertex form. Plot
and label the vertex with its coordinates. Draw the axis of symmetry and label it with its
equation.
(b) Use a strictly algebraic approach (no calculators) to find the x- and y-intercepts of the quadratic
function f. Plot and label each intercept with its coordinates. You must show your work to
(c) Sketch the graph of f using all of the information in parts (a) and (b). Use interval notation
to describe the domain and range of the function f.

Exercise 6. Consider the rational function Complete each of the following tasks.
(a) Set up a coordinate system on graph paper, then plot the x-intercepts of the rational function
f and label each with its coordinates.
(b) Plot the vertical asymptotes of the rational function f and label each with its equation.
(c) Perform the appropriate computation (using limit notation) to deduce the equation of any
horizontal asymptote(s). Plot the resulting asymptote(s) on your coordinate system and label
each with its equation.
(d) Set up a number line and place the x-values that produce zeros or vertical asymptotes on your
number line. Evaluate the function at a point from each interval delimited by these x-values.
Plot the results on your coordinate system.
(e) Sketch the rational function ƒ on your coordinate system using the information from parts
(a)-(c) above.
(f) Shade the solution of f(x) ≥ 0 on the x-axis of your coordinate system, then describe this
solution using interval notation.