Answer:
The answer is x≥9.
Step-by-step explanation:
The graph of this inequality would be |4x+1|≥5. Then, we can solve for x by first subtracting both sides by one.
|4x<span>|</span>≥4.
Then, divide both sides by 4.
x≥1
We can check our answer by plugging in values of x.
4*1+1≥5
5≥5
4*2+1≥5
9≥5
I hope that helped :).
Answer: The correct option is (c). 
Step-by-step explanation: We are given to select the correct basic identity that we will use to verify the following:

We have

In order to verify the given trigonometric equation, we must have

Thus, the required identity that we will use is

Option (c) is CORRECT.
Same side interior angles is the one you are looking for