The value of an investment of 3 dollars comma 500 over t years at 4 point 5 percent interest is represented by the expression 3500 times 1 point 0 4 5 to the t th power Which kind of expression is 3500 times 1 point 0 4 5 to the t th power ?

The variable t is in the exponent, so the expression is exponential. Its base, 1.045, is greater than 1, which means the value increases as t increases. Therefore, it represents exponential growth, choice C.

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