Answer:
f(-x)=-x-3
f(x^-1)=(1/x) -3
Step-by-step explanation:
Answer:

Step-by-step explanation:
where A is angle and a is side opposite of angle
cross-multiply



Answer: B. 4
Step-by-step explanation:
First, I did the equation out.
Second, I simply it all the way through.
Third, to get 4
Answer: a
Step-by-step explanation:
Answer:

<em>Hope this helps!!!</em>
