1) Given f(x) = 3x , what is f( 11)? a) 33 b) 11 c) 3 d) 22 2) Which of the following is a function? a) {(1,2),(1,3),(1,4),(1,5)} b) {(2,1),(3,1),(4,1),(5,1),(6,1)} c) {(-1,0),(0,0),(-1,1),(1,1),(2,2)} d) {((-2,2),(-2,3),(0,1),((1,2),(1,3)} 3) {(1,5),(1,7),(3,9),(4,11)} is a function. a) True b) False 4) Which is used to determine if a relation is a function? a) 3d line test b) horizontal line test c) diagonal line test d) vertical line test 5) What is the definition of function? a) Has inputs and outputs b) Inputs have different outputs every time c) Every input has only ONE output d) x-values and y-values

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