Let y = x^2 - 1
x^2 = y + 1
x = sqrt(y + 1)
so f^-1(x) = sqrt (x + 1) (answer)
Answer:
3+1=4
3 + 2 sqrt2
Step-by-step explanation:
Answer:

Step-by-step explanation:
From the Isosceles Base Theorem, the two base angles of an Isosceles Triangle are equal. Therefore,
.
Since the sum of the interior angles of a triangle is 180 degrees, we have:

It's the first answer
hope this helps
A hyena's speed is 0.25 mi/22.5s
0.25 mi/22.5s * 3600s/1hr = 40 mph