The correct answer is: Option 3: 
Step-by-step explanation:
Given

We have to find

This will be equal to:

So we have to find the composition of (fog)(x) first

Now,

The correct answer is: Option 3: 
Keywords: Composition, Functions
Learn more about function composition at:
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Answer:
-13
Step-by-step explanation:
Adding a negative means that you subtract the number as + (-) = -
This means that the equation is -4-9=-13.
Answer:
x = 55°
Step-by-step explanation:
The sum of the 3 angles in a triangle is 180°
Subtract the sum of the 2 given angles from 180 for x
x = 180° - (75 + 50)° = 180° - 125° = 55°
<span><u><em>The correct answer is: </em></u>
535.
<u><em>Explanation</em></u><span><u><em>: </em></u>
4 hundreds = 4*100=400.
13 tens = 13*10 = 130.
5 ones = 5*1=5.
Together, this gives us 400+130+5=535.</span></span>