Solve the Problem $\mathrm { A } ( \mathrm { t } ) = \$ 90,000 ( 1.04 ) ^ { \mathrm { t } }$

Multiple Choice

Solve the problem.
-Suppose that $90,000 is invested at 4% interest, compounded annually. Find a function A for the amount in the account after t years.

A) $\mathrm { A } ( \mathrm { t } ) = \$ 90,000 ( 1.04 ) ^ { \mathrm { t } }$
B) $\mathrm { A } ( \mathrm { t } ) = \$ 90,000 ( 0.04 ) ^ { \mathrm { t } }$
C) $\mathrm { A } ( \mathrm { t } ) = \$ 90,000^{0.04} \mathrm { t }$
D) $\mathrm { A } ( \mathrm { t } ) = \$ 90,000 ^ { 1.04 \mathrm { t } }$