The last one
Explanation
Has no parentheses in it ^*
6 should be your answer
Hope this helps good luck
Answer: The combined expressions are
f(x)= x cos (x)
hope it helps :)
Step-by-step explanation:
Answer:
I believe it would be the first choice. Because you multiply the length and width both by 2. and then just add them together. which is what the first choice represents