Answer:

Step-by-step explanation:
So we have the two functions:

And we want to find f(g(1)).
So, let's find g(1) first:

Substitute 1 for x:

Simplify:

Add:

So:

Now, substitute 2 for x in f(x):

Multiply:

Add:

So:

Message me so I can help, I need a better pocture
Answer:
I think the answer is of first one.
Step-by-step explanation:
HOPE THIS HELPS!!
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Answer:
x=21
Step-by-step explanation:
since the triangle is isosceles, the two lower angles are equal.
2(2x+3)=90
4x+6=90
4x=84
x=21
Answer:
what do u mean, never mind answer is square units