Answer:

Step-by-step explanation:
1) Remove the parentheses.

Answer:
See below
Step-by-step explanation:
The function
oscillates between -1 and 1, so the range is
.
Answer:
Can you take a screenshot of the question becuase I don't think theres enough information.
Answer:
Im not sure but i think its A=1, B=0, and C=9
Step-by-step explanation:
hope this helps