Step-by-step explanation:
u.v=|u||v|cos60°
u.v=(2.5)(3.2)(1/2)
u.v=(8)(1/2)
u.v=4
Answer:
f(-x) is a reflection of f(x) in the y-axis
48 degrees
6y=8y-16
y=8
8(8)-16= ?
64-16=