What are the domain and range of the function f(x)=2^x+1?

Write an equation for the function that includes the points (2,100)and (3,100)

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?