Help me pl i need help

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

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?

Three times the sum of a number and seven is negative thirty-six. what is the number?