169_186_CC_A_RSPC1_C12_662330.indd



3-6 Word Problem PracticeProportional and Nonproportional Relationships1. ONLINE SHOPPING Ricardo is buying computer cables from an online store. If he buys 4 cables, the total cost will be $24. If he buys 5 cables, the total cost will be $29. If the total cost can be represented by a linear function, will the function be proportional or nonproportional? Explain.2. FOOD It takes about four pounds of grapes to produce one pound of raisins. The graph shows the relation for the number of pounds of grapes needed, x, to make y pounds of raisins. Write an equation in function notation for the relation shown.2419351263653. PARKING Palmer Township recently installed parking meters in their municipal lot. The cost to park for h hours is represented by the equation C = 0.25h.a. Make a table of values that represents this relationship.b. Describe the relationship between the time parked and the cost.4. MUSIC A measure of music contains the same number of beats throughout the song. The table shows the relation for the number of beats counted after a certain number of measures have been played in the six-eight time. Write an equation to describe this relationship.MeasuresPlayed (x)123456Total Numberof Beats (y)61218243036Source: Sheet Music USA5. GEOMETRY A fractal is a pattern containing parts which are identical to the overall pattern. The following geometric pattern is a fractal.17589542545a. Complete the table.Termx1234Number ofSmallerTrianglesy1b. What are the next three numbers in the pattern?c. Write an equation in function notation for the pattern. ................
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