What is the domain of the discrete finite function f(x)?
g(x) = {(–2, 1), (–1, 3), (1, 4), (7, 3), (2, 5)}
a. {–2, –1, 1, 2, 7}
b. {–2, 1, 3, 4, 5, 7}
c. {1, 2, 7}
d. {1, 3, 4, 5}

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Ihonestly have no clue if it's each or none.

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.