Mr. smith invested $2,500 in a savings account that earns 3% interest compounded annually. he made no additional deposits or withdrawals. which expression can be used to determine the number of dollars in this
account at the end of 4 years?

answer: the answer is 127 degrees

there are no multiple choices

the linear relationship that represents a variation in direct proportion is the linear function that varies according to the numbers of its domain, for example the cost of producing x number of items can be represented in direct proportion by f (x) = mx + b, where m is the constant of proportionality, x the number of articles produced and b the fixed cost