Algebra
posted by Josh .
1. Determine whether the relation is a function.
{(2, 7), (3, 5), (6, 4), (9, 6), (10, 1)}
2. Determine whether the relation is a function.
{(5, 4), (2, 9), (1, 2), (1, 7)}
3. Determine whether the relation is a function.
{(7, 1), (7, 2), (1, 8), (3, 3), (10, 7)}
4. Determine whether the relation is a function.
{(1, 3), (1, 1), (6, 8), (9, 3), (11, 3)}
5. Determine whether the relation is a function.
{(6, 9), (2, 1), (1, 1), (7, 7)}
6. Determine whether the equation defines y as a function of x.
x + y = 9
7. Determine whether the equation defines y as a function of x.
x2 + y2 = 1
8. Determine whether the equation defines y as a function of x.
x = y2
9. Evaluate the function at the given value of the independent variable and simplify.
f(x) = 3x  8; f(2)
10. Evaluate the function at the given value of the independent variable and simplify.
f(x) = x2  1; f(x  2)
11. Evaluate the function at the given value of the independent variable and simplify.
f(x) = 4x2 + 5x  6; f(x  1)
12. Evaluate the function at the given value of the independent variable and simplify.
f(x) = ; f(5)
13. Find the slope of the line that goes through the given points.
(3, 5), (9, 8)
14. Find the slope of the line that goes through the given points.
(7, 6), (7, 9)
15. Find the slope of the line that goes through the given points.
(1, 4), (5, 4)
16. Find the slope of the line that goes through the given points.
(2, 6), (9, 17)
17. Find the slope of the line that goes through the given points.
(8, 8), (5, 2)
18. Find the slope of the line that goes through the given points.
(3, 7), (9, 7)
19. Use the given conditions to write an equation for the line in pointslope form.
Slope = 4, passing through (3, 7)
20. Use the given conditions to write an equation for the line in pointslope form.
Slope = , passing through (8, 7)

Wow, looks like "homework dumping" to me
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