Simplify the expression.
A. 
B. 
C. 
D. 
Answer: C
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Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = -4x4 - 8x3 - 9x2 - 2x + 9
A. possible: 0 or 2 pos, 0 or 2 neg
actual: 2 pos, 0 neg
B. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
C. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
D. possible: 1 pos, 1 neg
actual: 1 pos, 1 neg
Provide an appropriate response.What is true of both the first term and the last term in a binomial expansion?
What will be an ideal response?
Multiply.(x - 4)(7x2 + x + 9)
A. 7x3 - 27x2 + 13x - 36 B. 7x3 + 27x2 + 5x - 36 C. 7x3 - 29x2 + 5x - 36 D. 7x3 - 27x2 + 5x - 36
Provide an appropriate response.The graph of y = f(x) has an x-intercept of a and a y-intercept of b. What are the intercepts of the graph of y = f(-x)?
What will be an ideal response?