PQ = 2 units
height = 4 units
area = 2*4 = 8/2 = 4 square units
Answer:
(- 4, 3 )
Step-by-step explanation:
Under a counterclockwise rotation about the origin of 90°
a point (x, y ) → (- y, x ) , then
(3, 4 ) → (- 4, 3 )
Answer: B, C,D
one to one function is denoted by the graph