Can someone help me with this

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.

Equation for the calculation double 2 and then add 5

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two