Select the correct description of right-hand and left-hand behavior of the graph of the polynomial function.
?
?
A. Falls to the left, rises to the right
B. Falls to the left, falls to the right
C. Rises to the left, rises to the right
D. Rises to the left, falls to the right
E. Falls to the left
Answer: C
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Solve the problem.Write an equation for the tangent line to the curve 
at the point 
A. 
+ 
= 
B. 
+ 
= 
C. 
+ 
= 1
D. 
+ 
= 1
Solve the polynomial inequality. Express the solution in interval notation.x2 - 4x - 21 ? 0
A. [7, ?) B. [-3, 7] C. (-?, -3] ? [7, ?) D. (-?, -3]
Use transformations to graph the function. Determine the domain, range, and horizontal asymptote of the function.f(x) = 2(x - 3)
A. domain: (-?, ?); range: (0, ?)
horizontal asymptote: y = 0
B. domain: (-?, ?); range: (0, ?)
horizontal asymptote: y = 0
C. domain: (-?, ?); range: (-?, 0)
horizontal asymptote: y = 0
D. domain: (-?, ?); range: (-?, 0)
horizontal asymptote: y = 0
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) = 2x3 - 7x2 + 8x + 2
A. 0 positive; 1 or 2 negative B. 0 or 2 positive; 1 negative C. 0 or 1 positive; 2 negative D. 0 or 1 positive; 0 or 1 negative