Answer:
Step-by-step explanation:
The ratio of 51:9 in it's simplest form is 17:3.
a
[-1, ∞ )
The use of parentheses is essential here. I am assuming that you meant:
y=√(x-5) - 1
Note that √(x-5) has the range [0, ∞ ). The domain is [5, ∞ ).
Thus, y=√(x-5) - 1 has the range [-1, ∞ )
