(8.41 x 10 to the fourth) + (9.71 x 10 to the fourth)

Can someone me out here and the tell me the greatest common factor

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase