MAT 194 Ans Key Spr 05

# MAT 194 Ans Key Spr 05 - MAT 194 Spring 2005 Final Exam...

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MAT 194 Spring 2005 Final Exam Answer Key 1. (a) M x = 2x 100 and N x = 4x (b) 50 visits (c) see graph 2. (a) y = 1 2 x 2 (b) y = 2x 1 3. (a) see graph (b) 2 x − 1 and 0 x 4 (c) 0 y 4 4. (a) Added at 9.7% per hour (b) B t = 12000 0.958 t (c) A 2.5 = 7563 and B t = 10779 (d) 7.5 hours (e) t= 5 hours 5. t= 3.15 years 6. (a) f(x) is the function y = x 2 (b) − 4,18 1. Shifted to the left 4 units 2. Reflected over the x-axis 3. Stretched vertically by a factor of 2

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