Answer:
B
Step-by-step explanation:
Bbbbbbbbbbbbbbbbbbbbbbbbbb
Answer:
26
Step-by-step explanation:
Thus, f(b)−f(a)b−a=3(4)−(3(1))4−(1)=26.
Answer:
its B
Step-by-step explanation:
Answer:
See explanation
Step-by-step explanation:
The range of the cosine function is 
Therefore
is not defined.
Assuming your question is rather 
Then
in the second quadrant.

