Two-Variable Data: Models and Scatterplots

SAT Math· difficulty 4/5

A function takes values: f(1)=2,f(2)=4,f(3)=8,f(4)=16f(1)=2, f(2)=4, f(3)=8, f(4)=16. The function is best modeled as:

  • A

    Constant

  • B

    Exponential: f(x)=2xf(x) = 2^x

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  • C

    Quadratic: f(x)=x2f(x) = x^2

  • D

    Linear with slope 2

Explanation

The values double each step (f(x)=2xf(x) = 2^x), characteristic of exponential growth.

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