Can someone help me pleaseeeeee 60 points

A company uses the expression 1.03^(2+x) to calculate the total percent increase in the company's operating cost, where x represents the number of years since the company began operating.
Which expression could be used to calculate the same total percent increase in the company's operating cost?

a.) 1.03^2 + 1.03^x

b.) 1.03^2 * 1.03^x

c.) 1^(2 + x) + 0.03^(2 + x)

d.) a^(2 + x) * 0.03^(2 + x)