1. True or False: All functions are relations.

2. True or False: A function is a set of ordered pairs in which no two ordered pairs have the same second component.

Evaluate the following.

3. If f(x)=5x-11, what is f(1)?

4. If g(x)=2x²-7, what is g(-2)?

5. If q(x)=?x²+x+10, what is q(-8), q(-4), q(7)?

6. If r(x)=9^x, what is r(-1), r(0), r(1/2)?

7. If s(x)=2x³-3x+1, what is s(-4), s(-1), s(5)?

8. If t(x)=(2x-5)(3x-4), what is t(-2), t(6), t(10)?

For numbers, 9-12, let f(x)=?x and g(x)=?2-x. Find the following

1. (f+g)(x)

2. (f-g)(x)

3. (f . g)(x)

4. (f/g)(x)

Find the solution of the given equations,(Rational Equality) 3 13. 2x +3 4x+2 2 14. x-1 Solve the following Rational Inequalities * - 230 15-16. 3x -1-1