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`Operations with Functions WorksheetNAMEFor Problems 1­4, use f ( x) = 2 x 2 - 5 and g ( x) = x 2 - 3 x + 1 to find the indicated values. 1. (f + g)(1) 2. (f ­ g)(­2) 4. (f ÷ g)(1.5)3. (fg)(4)For Problems 5­8, use the functions f ( x) =x +1 x+2 , g ( x) = to find and simplify: x -3 x+3 6. (f - g)(x)5. (f + g)(x)7. (fg)(x)8. (f ÷ g)(x)For Problem 9, use the table definitions of H(t) and r(t) shown below to find the indicated operation.t H(t)1.0 4.81.5 2.62.0 0.92.5 3.0 3.5 ­0.2 ­1.4 ­3.3t r(t)1.0 1.21.5 2.0 2.5 ­2.5 ­5.0 ­3.83.0 0.53.5 7.49. (a) (r + H)(2.5) (c) (r ­ H)(2.0) (e) (rH)(1.5) (g) (r ÷ H)(1.0)(b) (r + H)(1.0) (d) (H ­ r)(3.0) (f) (rH) (3.5) (h) (r ÷ H)(2.5)Problem 10 refers to the graphs of f(x) and g(x) shown.3f(x) f3g g(x)-33-33-3-310. Find the indicated value. (a) (f + g)(1) (c) (fg)(2)(b) (f ­ g)(­1) (d) (f ÷ g)(­3)`

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##### Microsoft Word - funcoper.doc

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