It would be c that is the answer
Answer: see proof below
<u>Step-by-step explanation:</u>

Use the following Identities:
sec Ф = 1/cos Ф
cos² Ф + sin² Ф = 1
<u>Proof LHS → RHS</u>






Answer:
I only
Step-by-step explanaition:
The domain (x) can not repeat in order for it to be a function.
Answer:
To the nearest dollar: 34$
To the nearest 5 dollars: 35$
To the nearest 10 dollars: 30$
Hope this helps
xqcL