(-5/8, 27/20) is the answer.
Answer:
Step-by-step explanation:
Y=cos(x+r/2)
y = (x+1)² - 3
= (x²+2x+1)-3
= x²+2x-2
:::::
y = (x-2)² + 3
= (x²-4x+4) + 3
= x²-4x+7
