# Project #8512 - College Algebra

Need the following questions answered within the next hour.

1. Solve the polynomial equation x^4+3x^3+3x^2+3x+2=0. Use the rational zero theorem and descarte's rule of signs as an aid in obtaining the first root.

2. Use the 7 step method to solve the following rational function. f(x)=x+1/x^2+3x-4.

Determine the symmetry.

Find the y-intercept.

Find the x-intercept(s).

Find the vertical asymptote(s).

Find the horizontal asymptote(s).

Plot the points beyond and between the x-intercept and vertical asymptotes. Find the y coordinates for the following points (-5, -3, 0, 3, 5),

3. Solve the inequality 2x^3+3x^2>(or equal to)23x+12.

4. Solve the exponential equation and express the solution in terms of natural logarithms and obtain a decimal approximation for the solution. 3^(x+3)=298.

5. 90/1+271e^-e0.122x. Percentage of 56 year olds with heart disease?

6. A rectangular painting with has a diaganol measure of 10 inches and an area of 48 square inches. Find the length and width of the picture.

7. Use the Gauss-Jordan method to solve the system of equations. x-5y+4z=y and 3x-2y+2z=-1.

8. Complete the square and write the equation in standard form. x^2+y^2+4x-4y-73=0. Find the center and radius of the circle and graph the equation.

9. Find the solution set by graphing x^2+y^2=1 and x^2+49y^2=49.

10. Find the standard form of theequation of the hyperbola satisfying the given conditions: Center (5,-3), Focus (10,-3), Vertex (7,-3),

11. A job pays a salary of \$31,000 for the first year. During the next 16 years the salary increases by 8% each year. What is the total lifetime salary over the 17 year period?

12. Determine whether the following problem involves permutation or combination. A medical researcher needs 35 people to test the effectiveness of a drug. If 74 people have volunteered for the test, how many ways can 35 people be selected?

13. Evaluate the expression. 1- 3P2/4P3.

If you can complete these in the next hour please respond.

3.

 Subject Mathematics Due By (Pacific Time) 06/30/2013 09:59 pm
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