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Which function has the greatest rate of change.

A. y = -5x
B. { (-1,-2), (1,2), (3,6), (5,10), (7,14) }
C. A fitness club charges a $200 membership fee plus monthly fees of $25.
D. y = 3x - 16

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Final answer:

Function A, represented by the equation y = -5x, has the greatest rate of change with a slope of -5, which means it changes by -5 units in the y-direction for each one unit change in the x-direction.

Step-by-step explanation:

The question asks which function has the greatest rate of change. To determine this, we compare the slope, which is the rate of change, of each function:

  • Function A has a slope of -5, which means the rate of change is -5 units in the y-direction for each unit change in the x-direction.
  • For Function B, the rate of change is consistent (2/1 or 2) for each x and y pair, indicating a slope of 2.
  • Function C represents a linear function with a slope of 0, since the monthly fees do not change in relation to the number of months.
  • Function D has a slope of 3, meaning that for each unit increase in x, y increases by 3 units.

Considering these slopes, function A has the greatest magnitude of the rate of change at -5.

User Jonathan Patt
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