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IVdIllb' PATTERNS, FUNCTIONS, AND ALGEBRA Relations and Functions - of two of 7.III.B.3 Solve simple formulas with up to three variables, when the values the variables are given. Select the best answer for each 3. Which statement is true for the graph question. shown? 1. Use the table to write the rule for the y linear function. X A. The graph shows a linear function. B. The graph shows a relation. C. The graph shows a curve. 2. Your distance from lightning is D. None of the above. proportional to the time it takes to hear the thunder. Which equation best represents the relationship in the table? How far are you from lightning when the thunder takes 35 seconds to reach you? 4. On vacation, Juan drove 275 miles in 5 hours. Use a graph, table or algebraic equation to predict how far Juan will travel at the same rate in the next 3 hours. A. 440 miles B. 195 miles C. 165 miles A. 0': 51', 175 miles D_ 55 miles B. d: 0.5t, 17.5 miles 0. d: 0.4t, 14 miles D. d: 0.21', 7 miles 5. Which statement is NOT true? A. The graph of a straight line is a function. B. Every function is a relation. C. Every relation is a function. D. An equation of the form y: mx + b represents a function