SOLUTION :
f(x) = sqrt(x + 4) / (x - 1)
So, x ≠ 1 and x ≥ - 4 (to ensure that sqrt is of a positive value or 0)
Hence, 1 > x > 1 and x ≥ - 4
a. Number line for domain :
<< ————@===========o==========>>
- ∞ - 4 1 ∞
b.
Interval notation :
Domain : [ - 4, 1) U (1, ∞) (ANSWER)
c.
Inequality notation :
x ≠ 1 and x ≥ - 4 (ANSWER).
3. Consider the function below and figure out the intervals for its domain, and write it...
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