The answer is D
Have you ever heard of rise over run rise/run
Y/x. Well in this case the run is One with a rise of four
1. Identify the vectors.
2. Write down the cosine formula.
3. Calculate the length of each vector.
4. Calculate the dot product of the two vectors.
5. Plug your results into the formula.
6. Find the angle based on the cosine.
Hope this is what your looking for...
Answer:
D
Step-by-step explanation:
2 (
x
−
3
)
x (
x
+
1
)
The answer is A.As.... I think
