Find the axis of symmetry of the function.f(x) = 9x - x2
A. x = - 
B. x = 
C. x = - 
D. x = - 
Answer: B
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = ln(cos 10x)
A. Q(x) = - 50x2 B. Q(x) = 1 - 50x2 C. Q(x) = 1 + 50x2 D. Q(x) = 50x2
Mathematics
Find an equation for the line with the given properties.The solid line L contains the point (4, 5) and is parallel to the dotted line whose equation is 
Give the equation for the line L in slope-intercept form.
A. y = 2x + b B. y - 5 = 2(x - 4) C. y = 2x - 3 D. y = 2x + 1
Mathematics
Let the universe consist of all positive integers. Let p(x) be the statement "x is even." Let q(x) be the statement "x is a perfect square." Determine the truth value of the indicated statement.[?x p(x)] ? [?x q(x)]
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics