the answer would be4.7^-10^4
2² - y - 5 = 0
Evaluate the power.
4 - y - 5 = 0
Calculate the sum or difference.
-1 - y = 0
Move constant to the right side and change its sign.
-y = 1
Change the signs on both sides of the equation.
y = -1
f(x) cannot be 0 or less than zero, but can approach+ infinity
Answer is (0, ∞)
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