What is the domain of this exponential function? y=7^x

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Leonardo wrote an equation that has an infinite number of solutions. one of the terms in leonardo’s equation is missing, as shown below.