Gx x2 1 unit 1 day 2 functions review and quadratic

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Unformatted text preview: . { (3,2) , (5,6) , (6,8) , (3,−2) , (6,−4) } 15. { (2,3) , (2,2) , (2,1) , (2,0) , (2,−1) } 16. { (8,1) , (7,1) , (−3,1) , (−4,1) } 17. If f (x) = 2x + 3 , find a) f (4) e) f (−4) b) f (8) f) f (0.5) c) f (0) g) f (−0.1) d) f (−1) h) f (100) 18. If f (x) = 9 − 3x , find a) f (2) e) f (−5) b) f (6) f) f (0.1) c) f (−2) g) f (−0.2) d) f (0) h) f (10) Graph each function. The domain is R. Find the range of g . 19. g(x) = 4 − 2x 20. g(x) = x2 − 1 Unit 1 − Day 2: Functions Review and Quadratic Functions Exercises (continued) PRE-CALCULUS 11 State whether each of the following is a graph of a function. Write the domain and range in each case. y y 21. 22. 2 −2 2 0 x 2 −2 −2 0 x 2 −2 Determine the zeros of the functions. 23. h(x) = x + 5 24. h(x) = 3x − 4 25. Which functions are quadratic? a) y = 3x2 + 7x − 2 b) e) y = 7 − 5x2 d) f (x) = x2 + y = 2x2 + 11 − 4x x f (x) = 25 − 9x2 1 f (x) = 4 x 2 − 9 x + 12 c) f) 26. Given that g(x) = x2 and y = 2g(x − 3) − 8, determine y in terms of...
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This document was uploaded on 02/16/2014 for the course MATH Pre-Calcul at Holy Cross Regional High School.

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