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) = -2x4 - 4x3 - 4x2 - 3x + 8
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics
Graph the function. Give the domain and range.f(x) = log5(x - 1)
A. domain: (-?, ?); range: (-1, ?)
B. domain: (0, ?); range: (-?, ?)
C. domain: (-?, ?); range: (0, ?)
D. domain: (1, ?); range: (-?, ?)
Mathematics
Solve the problem.Express the combined areas of the three rectangles as the product of two binomials. 
A. (7x + 8)(3x + 4) B. (7x + 2)(3x + 16) C. 21x2 + 80 D. (7x + 4)(3x + 8)
Mathematics
Solve the given equation for x.logx
= 2
A. 
B. 
C. 
D. 
Mathematics