bella2284
04.07.2020 •
Mathematics
You have a savings account that offers an annual simple interest rate of 7%. You put $400 into the account. Select the graph showing the total interest you earn after 1, 2, 3, and 4 years.
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Ответ:
Line: I(x)= 28x+400
Step-by-step explanation:
Initial amount= $400
Interest rate= 7% simple
Total interest:
Year 1= $400+7%= 400+ 400*0.07= 400+28= 428Year 2= $400+2*7%= 400+400*0.07*2= 400+56= 456Year 3= $400+7%*3= 400+400*0.07*3= 400+84= 484Year 4= $400+7%*4= 400+400*0.7*4= 400+112= 512The graph for this function will be a line with equation:
I(x)= 400+400*0.07x= 28x+400, where I- interest, x- year
Ответ:
I do not see a pic I can help you
Step-by-step explanation: