Mr chen deposits a certain amount of money in a bank. if the interest rate of bank decreases from 3.75 per year to 3.5 per year, mr chen's interest will decrease by $50 in a year. find the sum of money he deposits.
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step-by-step explanation:

  y= -3x is the required function.

step-by-step explanation:

we have been given a table:

x             y

0             0

1             -3

3             -9

-2             6

we can see that the values of y is -3 times the value of x

hence, the function would be: y= -3x.

put the values of x will give the same y as in the table that means function is satisfying the given table.