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**grooverandshaker** A bank offers cash loans at .04% interest per day compounded daily. A loan of $10000 is taken and the interest payable at the end of x days is given by C=10000[(1.0004)^x -1].

Plot the graph of C against x.

Find the interest at the end of: 100 days and 300 days.

After how many days is the interest payable $1000?

A loan company offers $10000 with a charge of $4.25 a day being made. he amount charged after x days is given by K=4.25x. Find the smallest value of x for which K < C.

Thanks in advance.