4x = 2π when x = π/2
The period is π/2.
Answer:
domain
Step-by-step explanation:
range
I think maybe either B or C, ope I helped, sorry if I didn't!!
First simplify the square roots:

Then simplify the last two terms:

Since 61 is prime, you can't take a rational root out of it.
The answer is -43
B=-1-7(6)
B=-1-42
B=-43