Answer:
D [32 28]
Step-by-step explanation:
We have the following vector:
v = [8,7]
Multiplying a vector by a constant is the same as multiplying all of the elements of the vector by the constant.
We have a constant c = 4.
So
cv = 4[8,7] = [32,28]
So the correct answer is:
D [32 28]
