Which quantity is proportional to 12⁄4?

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

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