If 3£a and 3€b, then which of the following statements is not true?
a. 3 is an element of b complement
b. 3 is an element of a u b
c. 3 is an element of a n b

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option