Answer:
(-∞, ∞) = domain
(-∞, 12] = range
Explanation:
Find the domain by finding where the function is defined. The range is the set of values that correspond with the domain.
Hope this helps! :)
Answer:
so it will be -55
Step-by-step explanation:
is not a rational number
-55 is a rational number
is not a rational number
π is not rational number
Let me know if i'm right :(
Answer:
at least 290,000
Step-by-step explanation:
Why is this a question
We have:

Then we use trigonometric identities to change the negative sign of the trigonometric functions, so:

We clear f(x):

we simply what we can:

Thus, the correct answer is;