In a vector, which of the following statements is true?

a) Indexing vector access is range checked.
b) The range of legal index values for a vector is 0 to the value of v.size()-1
c) To add a value use the member function v.push_front( )
d) To manage size of reserve use v.reserve(newReserve)
e) To increase or decrease a vector’s size v.new_size(newSize);

b) The range of legal index values for a vector is 0 to the value of v.size()-1
d) To manage size of reserve use v.reserve(newReserve)