Select the correct answer. The domain of function f is (, 6) U (6, ). The value of the function approaches as x approaches , and the value of the function approaches as x approaches . Which function could be function f?

A.

B.

C.

D.

The value of the function approaches as x approaches or 6

Step-by-step explanation: , and the value of the function approaches as x approaches . Which function could be function f

The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other.