In 2005, it took 18.88 currency units to equal the value 1 currency unit in 1919. In 1990, it took only 12.70 currency units to equal the value of 1 currency unit in 1919. THe amount it takes to equal the value of 1 currency unit in 1919 can be estimated by the linear funtion V given by V(x)=0.4176x+13.2465 where x is the number of years since 1990. Thus V(11) gives the amount it took in 2001 to equal the value of 1 currency unit in 1919. Complete parts (a) and (b) below.