Explain how to wright a function rule from the table below. then wright the function rule. X: 2, 4, 6
Y: 1, 0, -1

the new function gives the amount that will be in his account after x years.

step-by-step explanation:

given : tommy has $350 of his graduation gift money saved at home, and the amount is modeled by the function

he reads about a bank that has savings accounts that accrue interest according to the function

after combining the two functions, his new function is

to find : what this new function means?

solution :

the saving amount is given by

the interest rate is given by

so, if we multiply savings by the interest rate,

we can calculate the yearly increase in the savings.

therefore, the new function:

gives the amount that will be in his account after x years.