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Alg.2 Name: _________________ 7-7 and 7-8 Review Graph the relation and its inverse. 2. y = x2 + 2 1. y = 2x + 5 Find the inverse of each function. Is the inverse a function? 3. y = 2x 1 4. y = x2 + 3 5. y = 3x2 2 6. y = (x + 4)2 4 For each function f, find f–1. Determine whether f–1 is a function. 7. f(x) =1/6x 8. f(x) = 2x + 2 9. ƒ(x) = x2 + 4 10. f(x) = x 1 Find the inverse of the relation. Make a Table. 11. Let f(x) = 2x 5. Find each value. 12. (f1 ◦ f)(1) 13. (f ◦ f1)(3) Solve each square root equation by graphing. Round the answer to the nearest hundredth if necessary. If there is no solution, explain why. 14. x6 =9 15. 4x 3 = 5 16. 3x 5 1 x Rewrite each function to make it easy to graph using a translation. Describe the graph. 17. y = 81x 162 18. y = 25x 75 1