Question 990843

{{{40(1.05)^x=200}}}

{{{(1.05)^x=200/40}}}

{{{(1.05)^x=5}}}

{{{log((1.05)^x)=log(5)}}}

{{{x*log((1.05))=log(5)}}}

{{{x=log(5)/log(1.05)}}}

{{{x=32.9869}}}


{{{ graph( 600, 600, -10, 35, -10, 210, 40(1.05)^x, 200) }}}