Use dot product
a=(x1,y1) and b=(x2,y2)
a.b=/a/*/b/ cos x
a.b mean dot product of two vectors
a.b is equals x1*y1+x2*y2
Answer:
I think it's {3, 6, 12, 18}
Step-by-step explanation:
Domain: all x-values that are to be used (independent values).
1/4 because they sweeped up 1/2 of the city on Monday and half of 1|2 is 1/4 so the answer is 1/4 or 0.25 or 25%
