1.
3x + 3 = 21
3x = 21-3
3x = 18
x = 18/3
Therefore,
x = 6
So option ( B) is the correct one.
2.

Therefore option (B) is the correct one here too.
we know that
if g(x) is the inverse of f(x)
then
g[f(x)]=x
so


------> this is the expression

therefore
the answer is the option
b) 1/5(5x-25)+5
Answer:
see below
Step-by-step explanation:
As with many multiple-choice questions, the appropriate choices can often be determined with a simple test. Here, you only need to look at the values of the constants. (Those are ringed in blue.)
Answer:

Step-by-step explanation:

































Thanks!!!!!!!