What are relations and functions in terms of mathematics ??

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Divide. write in simplest form 41/6 divided by 10