Question

Caroline puts $400 into a savings account that earns 6% annually. Write a function that represents this situation, where t is the time in years. Solve algebraically after how many years she will get $1200 in her account (round it to the nearest year).

Answer 1

19

Explanation:

this is exponential function formula=
`f(x)=a(b)^x`

so this would be the answer

a=400

b=1.06(because it is increasing)

x=is unknown

`400(1.06)^x` so that is the formula i used

=19