The exponential function describing the balance owed on Maggie's credit card, B,t years after she purchases a TV on that credit card for $190 is B(t) = 190 · (1.2)* B(t) is graphed below. Add the line B = 300 and then use the graph to estimate how long it takes (in years) until the balance on the credit card reaches $300 (assuming Maggie makes no payments). 1200 1100- 1000- 900 800 700 600- 500- 400 300 200- 100 1 2 3 4 5 6. 7 9 10 Clear All Draw: How does it take (in years) until the balance on the credit card reaches $300 ?

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