Jeremy’s grandmother will add $15 to any amount that Jeremy decides to deposit in the bank. Jeremy plans to deposit between $50 and $100. The function t(j) = 15 + j models the total amount of money that will be deposited into Jeremy’s account, where j is the amount of money Jeremy deposits.

What is the practical domain of the function?



Answer :

It says that j has to be between 50 and 100 so the domain would be 50≤j≤100
t(j) [tex] \geq [/tex] 65 
and
t(j) [tex] \leq [/tex] 115

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