X < 4, not less than or equal to.
Option A is correct
For this case we have the following vectors:

The dot product of two vectors is a scalar.
The point product consists of multiplying component by component and then adding the result of the multiplication of each component.
For the product point of the vectors a and b we have:
Answer:
The product point of the vectors a and b is:
Answer: the answer has to be a because the other ones are not even close
Step-by-step explanation: