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8. Given f(x) = 4x2 - 3x + 1, f(-1) is a ) 2 b ) 0 c ) 9. For the graph g(x) = (x-5)2, the base function is a) f(x) = x b ) f ( x) = Vx c) f ( x) = x2 d) f ( x ) = = 10. The equation x2 - 4x - 5 = 0 has roots a) 5 and -1 b) -5 and 1 C) 3 and -2 d) -3 and 2 1 1. Without using a calculator, the value of sin (450) is a) b ) c ) V3 2 d) - 1 12. A bacteria colony that has an initial population of 85 triples every hour. Which function models this exponential growth? a) p(n) = 85 x 2n b) p(n) = 85 x 3n C) p(n) = 35 x 2n d) p(n) = 85n 13. Given that the point P(3, 4) lies on the terminal arm given by angle 0. The value of sin 0 is a) VIA b) W/ A c) d) - 14. Given the function y = -2sin[20 - 60] - 7, the amplitude of this function is a) -2 b ) 2 c) 1 d) -1 15. The period for the function in Question 14) is a) 360 b ) 720 c) 180 d) 90