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SAT® Math

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Moderate

Rates of Population Change

SATMAT-FIRSKV

The graphs above show the populations of four different cities over time, from the year in which each city was founded to the present time.

Which city or cities have a population graph which displays a constant rate of change of population since its founding?

A

City $W$, City $X$, and City $Z$.

B

City $W$ and City $Z$.

C

City $X$ only.

D

City $W$ and City $Y$.