Nonlinear Functions

SAT Math· difficulty 5/5

The number of users of a new app doubles every 3 months. Starting with 200 users, how many users after 1 year (12 months)?

  • A

    16001600

  • B

    64006400

  • C

    32003200

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  • D

    800800

Explanation

12 months = 4 doubling periods: 20024=20016=3200200 \cdot 2^4 = 200 \cdot 16 = 3200.

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