find the domain and the range of the following function f(x)= √x²- 4 by using the algebraic method. (No graph)
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Answered by
1
Answer:
domain=(-∞,-2]⋃[2,∞)
range=[0,infinity]
Step-by-step explanation:
The domain: square root must be greater or equal to 0:
x^2-4>=0
(x+2)(x-2)>=0
domain=(-∞,-2]⋃[2,∞)
range=[0,infinity]
Answered by
2
Answer:
the above mentioned answer might help you
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