Malory just uploaded 2 three-minute songs to her music player. Her music player now has 1 hour 4 minutes of music stored on it. Which equation can be used to find m, the number of minutes of music Malory had stored on her music player before uploading the 2 new songs?

m= 64-(2 times 3) or m=64-6 or m=58

Mallory has just added 6 minutes to her playlist, which has brought the time up to an hour and four minutes or 64 minutes. Subtract six minutes (the two three minute songs) to find out how much was downloaded initially.

the answer is here: : )

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yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value