Part 3 | Test 4 | Time: 1 hour |
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as one simplified " " term.
Answer: .
Answer: x>6 or in interval notation, .
Answer: x=-1.
Answer: , and
.
Answer: The common domain of both functions is -5<x<10, or in
interval notation, (-5,10).
Answer: , where t=0 corresponds to the year 1950.
Answer: The population in 1980 was approximately 322,371 people.
Answer: The formula for the parabola is
Answer: .
Answer: The domain of f(x) is all real numbers, or interval
notation, .
The range of f(x) is y>0, or in interval notation, .
The domain of is x>0, or in interval notation,
.
The range of is all real numbers, or in interval notation, .
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