# Modeling with sinusoidal functions: phase shift

Given the description of a real-world relationship, find the sinusoidal function that models it. The functions in this exercise have a phase (horizontal) shift.

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# Modeling with sinusoidal functions: phase shift

### Problem

Given the description of a real-world relationship, find the sinusoidal function that models it. The functions in this exercise have a phase (horizontal) shift.