Answer:
1165
Step-by-step explanation:
Here we have an exponential function, [tex]y=ab^x[/tex] and it is one of the most important functions in the mathematics. In this case, the independet variable is the exponent.
Here, this function represents growth because [tex]b=1.013>1[/tex], which means that live births to unmarried mothers grew.
In the [tex]1990, t=0[/tex] because t represents the number of years after 1990, so, then we get:
[tex]B=1165*10^0(1.013)^0\\B=1165[/tex]
In this case, the model gives us information about the number of live births to unmarried mothers in 1990.