Answer:
g^-1(x)= -(x/3) - 6
Step-by-step explanation:
Answer:
i think its x=16 or x=11
Step-by-step explanation:
∠2 = 90 - 42 = 48 degrees
3x degrees = 48 degrees
3x = 48
x = 16
16
Answer: x=9 is an extraneous solution
Step-by-step explanation:
Given
Function is 
for function to exist

Therefore, 9 satisfies the above equation. It is it's extraneous solution.