Answer:
the third choice
Step-by-step explanation:
I haven't done those questions in a long time so I would double check. But I think its choice C because 0 has two functions, and I'm pretty sure that a number can only have 1 output, therefore C is not a function..
11
26=7(g-9)+12
14=7(g-9)
2=g-9
g=11
THe awnswer is B
p(4)=3
p(4)=3(4)-9=12-9=3