The line L cuts y-axis at(0,5) L also passes through the point (2,1) Fund the equation of the line which is parallel to L and which passes through the point (3,0)

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Anyone know? will mark brainliest if correct!

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?