Why customer service professionals use paraphrasing?

The answer should be b.

Is this the whole problem or

To solve this integral, what you can do is split it up as follows: (1) ∫40(x2−4)dx=∫40(x2)dx−∫40(4)dx. to integrate  4  as an  indefinite integral, a good rule of thumb is  by  an equation below  for  polynomials; . (2) ∫xa=xa+1a+1+c , where a is any number. c denotes some constant that is crucial when doing 

Hello!   ==i would say:   spring tides are the highest, while neap tides are the lowest.==hope this ! : )