Academic help online

1. Draw the graph of the following linear function and give the domain and range.
F(x) = – 1/2x + 5
2. Solve the following equation. |x| =3
3. Evaluate the following expression when x=3 and y+2, 2xy-x^2y
4. Solve the inequality and write solutions in interval notation. |2m+3| 13.
5. Completely factor the expression. 16x^4 – 81y^4
6. Perform the division. (y^2 +10y + 21)/(y + 7)
7. Surface (A) of a sphere with radius (r) is given by A = 4~^2. Solve for r.
8. Write 0.0685 in scientific notation
9. F(x) = -6x – 1, find f(2)
10. Simplify the expression complete. ab^-3/3a^-2b^2 ^2
11. What x values does parabola y=x^2 – 5x + 4 intersect the x axis
12. Solve the system of equations x + 3z = 10, -x – 2y+z=10, 3x + 5y +2z = -7
13. Rationalize the denominator. 2 sqrt7/x + sqrt 7
14. Do these two lines intersect? 5x + 8y = -5, -x – 1.6y =14
15. Compute the distance between two points ( 1 – sqrt2, – 1) and (2 + sqrt2, 4)
16. Solve the equation for L . p = 2L + 2w

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