Answer:
Look at the picture
Step-by-step explanation:
y = x^2 + 4 replace x and y
x = y^2 + 4 subtract 4 from both sides
x - 4 = y^2 sqaure root both sides
Answer:
28
Step-by-step explanation:
AB
4(7)=28
The answer is <span>4<span>x^4</span></span>−<span>y^<span>2</span></span>