Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 4x8 + 3x6 + 2x4 + 9x2 + 7
A. 0 positive; 4 negative
B. 4 positive; 4 negative
C. 0 positive; 0 negative
D. 4 positive; 0 negative
Answer: C
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For a person who is 100 centimeters tall, the body surface area B, in square meters, can be estimated from the weight w measured in kilograms. The relation is
.
A. Make a graph of body surface area versus weight. Include weights up to 100 kilograms.B. Is the graph concave up or concave down?C. Among people who are 100 centimeters tall, would weight gain have a greater effect on surface area for a lighter person or for a heavier person?
What will be an ideal response?
Identify the standard form of the argument.p ? q
? p ? r
A. Fallacy of the Converse B. Fallacy of the Inverse C. Law of Syllogism D. Law of Contraposition
Use =, <, or > to write a true statement.-26 -58
A. = B. > C. <
Find the least common multiple (LCM) of the list of numbers.7, 14, 21, 36
A. 252 B. 259 C. 280 D. 112