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).

Respuesta :

Answer:

19

Step-by-step explanation:

this is exponential function formula=[tex]f(x)=a(b)^x[/tex]

so this would be the answer

a=400

b=1.06(because it is increasing)

x=is unknown

[tex]400(1.06)^x[/tex] so that is the formula i used

=19