Which equation represents the function modeled in the graph?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.