Question content area top Part 1 The annual average price per square foot for office space in a city was ​$31.31 in​ 2004, and it was ​$67.65 in 2015. Complete parts​ (a) through​ (c) below. Question content area bottom Part 1 ​(a) Find an exponential function of the form ​f(t)equalsy 0 b Superscript t to model these data in which tequals0 corresponds to 2004. ​f(t)equals enter your response here ​(Use integers or decimals for any numbers in the expression. Round to the nearest thousandth as​ needed.)