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Grades are available as of Test 1. Email your name and W
number to
nalexander@igc.org |
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answers: a c a a c b c |
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4.4
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1. Yo, for people between the ages of 10 and 70, inclusive, the
target zone for aerobic exercise is given by the following system of
inequalities in which a represents one's age and p is one's pulse
rate.
10 < a < 70
2a + 3p > 450
a + p < 190
Suppose a person is 40 years old with pulse rate 125 in beats per
minute. Is this person inside the target zone?
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| a yes
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| b no
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c nota
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5.1
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2. What is the degree of this polynomial ? f(x) = x3
- 4x + 1 . Answer: degree is 3. Thus, answer
below is nota.
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a 2
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b 4
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c 1
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d nota
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3. Using the Leading Coefficient Test, we can say the polynomial
of the previous problem:
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| a falls to the left, rises to
the right
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b rises to the left, falls to the right |
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c rises to the left, rises to the right |
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d falls to the left, falls to the right |
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e nota |
4. What is f(0) of problem 2?
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| a 1 |
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b -5 |
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c - 3 |
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d 4
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| e nota |