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Math 1 Quiz: Function Notation Name: _____________________ 1) If f ( x) 5 x 2 Find f (4) . A) 22 B) 18 C) 10 D) 20 C) 36 D) 30 C) 18 D) 14 C) 8 D) 6 2) If g ( x) 4 x 2 6 Find g (3) . A) 144 B) 138 3) If h( x) ( x 7) 2 Find h(2). A) 81 B) 53 4) k ( x) 3x 8 Find x if k ( x) 10 . A) 22 B) 18 5) f ( x) 2 x 3 Find x if f ( x) 7. A) -2 B) 2 C) -11 D) 17 6) George cuts grass. He charges a $50 fee just for coming to the house and $10 per hour. Which function below represents the cost, C, as a function of h, the number of hours it takes to cut the grass? A) C (h) 60h C) C (h) 10h 50 B) H (c) 60c D) C (h) 50h 10 7) Jane needs to figure out how many balloons she needs to order to decorate for a party. There will be 3 balloons on each table. Write a function for the number of balloons, B, as a function of the number of tables, t. A) B(t ) 3t B) T (b) 3b t C) B (t ) 3 3 D) B (t ) t