Find x from the given triangle in simplest radical form. (4b)

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.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Ineed to know the answer to this algebra question.