Function Finder QuizOnline version Test your skills in identifying functions and their properties! by RD Wright 1 What is the definition of a function? a A set of numbers with no specific relationship. b A relation that assigns exactly one output for each input. c A relation that assigns multiple outputs for each input. d A random collection of ordered pairs. 2 If f(x) = 2x + 3, what is f(2)? a 8 b 5 c 6 d 7 3 What is the domain of the function f(x) = 1/(x-1)? a All real numbers. b All real numbers except x = 1. c Only negative real numbers. d Only positive real numbers. 4 How do you find f(-3) if f(x) = x^2? a 6 b 3 c 0 d 9 5 What is the range of f(x) = x^2? a All integers. b All non-negative real numbers. c All positive real numbers. d All real numbers. 6 If f(x) = 3x - 4, what is the slope of the function? a 3 b 0 c 4 d 1 7 What does it mean for a function to be one-to-one? a Multiple inputs produce the same output. b All outputs are the same. c Each output is produced by exactly one input. d It has no inputs. 8 What is f(x) if f(x) = 2x and x = -5? a 5 b -10 c 0 d 10 9 What is the vertical line test used for? a To find the roots of a function. b To calculate the area under a curve. c To find the slope of a line. d To determine if a relation is a function. 10 If f(x) = x^3, what is f(1)? a 0 b 2 c 3 d 1
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