# The balance A (in dollars) in a savings account is given by  A = 7000e0.07t,  where t is measured in years. Find the rate at which the balance is changing when t = 1 year, t = 10 years, and t = 50 years. (Round your answers to two decimal places.) (a)    t = 1 year \$  per year (b)    t = 10 years \$  per year (c)    t = 50 years \$  per year

The balance A (in dollars) in a savings account is given by

A = 7000e0.07t,

where t is measured in years. Find the rate at which the balance is changing when t = 1 year, t = 10 years, and t = 50 years. (Round your answers to two decimal places.)

(a)    t = 1 year
\$  per year

(b)    t = 10 years
\$  per year

(c)    t = 50 years
\$  per year

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