Margo has a coin collection. she was given 1 coin as a gift, and she adds 3 coins per year. which of the graphs below represents margo's coin collection? a) graph of line going through 1, 2 and 3, 4 b) graph of line going through 1, 1 and 3, 3 c) graph of line going through 1, 4 and 3, 10 d) graph of line going through 1, 2 and 2, 5

Option C) graph of line going through 1, 4 and 3, 10

Step-by-step explanation:

Let y equal to Margo's coin collection

Let x equal to number of years

At the begining x=0, y=1 → Point=(x,y)→Point=(0,1)

She adds 3 coins per year, then y=1+3x

At x=1, y=1+3(1)=1+3→y=4→Point=(x,y)→Point=(1,4)

At x=3, y=1+3(3)=1+9→y=10→Point=(x,y)→Point=(3,10)

The graph of line going through (1, 4) and (3, 10), then the option C is the correct.

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step-by-step explanation: