Answer:
x = ±sqrt(y-11)
Step-by-step explanation:
y = x^2 +11
Subtract 11 from each side
y -11 = x^2 +11-11
y-11 = x^2
Take the square root of each side
±sqrt(y-11) = sqrt(x^2)
±sqrt(y-11) = x
2/3 + 2 1/7 = 59/
21
= 2 17/
≅ 2.8095238
Hope this helps!!
C) f(n) = 5n-1