Defining Functions and Relations Quiz

Evaluate each function for the given value.

1. If g(x) = 5x²+3x-2, then g(-2)=












2. If f(x) = 1-4x, then f(2a)=












3. If f(x) = 9x²-x-9, then f(n-1)=












4. If f(x) = 3x-201, then f(5)=












5. If f(x) = x2 + 33, then f(3a + 1)=












- Find a rule for the following points.

6. {(1,3), (3,9), (7,21)}












7. {(1,-1), (2,0), (3,1)}












8. {(1,5), (2,20), (3,45)}












9. {(-3, -6), (0,-15), (4,1)}












10. {(1,1), (2,4), (3,9), (-3,9), (-1,1)}












- If f(x)=x+1 and g(x)=2x-1, find each of the following.

11. g(f(2))












12. g(f(-1))+1












13. g(f(0))+f(g(-3))












14. f(g(3))(g(5))












15. f(g(a))














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