Which equation represents the linear function that is shown on the graph below? y = one-half x + 4
y = one-half x minus 2
y = 4 x minus 2
y = negative 2 x + 4

C

Step-by-step explanation:

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the answer is c

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you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)