Two equations could be y=2x and y=4x-2
Mr. and Mrs. Bailey need to invest $2906.50 so as to send their son to college.
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Compound interest</h3>
Compound interest is given by:

where A is the amount after t years, P is initial amount, r is the rate and n is the times compounded per period
Given that n = 1, r = 9% = 0.09, A = $7500 t = 11. Hence:

Mr. and Mrs. Bailey need to invest $2906.50 so as to send their son to college.
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I don’t know the gap at the beginning but the answer is c
Answer:

Step-by-step explanation:
