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.P(x) = -4x4 - 8x3 - 7x2 - 9x + 8
A. 0 or 2 positive; 1 or 3 negative
B. 1 positive; 1 or 3 negative
C. 1 positive; 2 negative
D. 1 positive; 1 negative
Answer: B
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Add and simplify.
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Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies were initially introduced to the habitat?
A. 800 butterflies B. 80 butterflies C. 2 butterflies D. 9 butterflies
Use the given zero to find all the zeros of the function. ? Function Zero x3 + 13x2 + 59x + 87 -5 - 2i ? ?
A. 3, 5 ± 2i B. ±3i, -5 ± 2i C. -3, 5 ± 2i D. -3, -5 ± 2i E. 3, -5 ± 2i
Solve.The area of a triangle is 51 square feet. Find the altitude if the base is 17 feet.
A. 867 feet B. 6 feet C. 3 feet D. 34 feet