Answer:
41
Step-by-step explanation:
x=12
so y=3⋅12 +5
=36+5
=41
What are you talking about
Answer:
2nd one
Step-by-step explanation:
Answer:
The answer is A.
Step-by-step explanation:
Lets call f(x)=y, so y= 4*(3*x-5), we want to find 'x', using 'y' as a the variable.
Now lets change the name of 'y' to 'x', and 'x' to f^-1(x).
f-1(x) = (x+20)/12