Evaluate the function.f(x) = -4x - 7; f(-2)
A. 4
B. 28
C. 1
D. -7
Answer: C
Mathematics
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Solve the problem.Find the volume of the solid that lies between planes perpendicular to the x-axis at x = -2 and x = 2. The cross sections perpendicular to the x-axis are circles whose diameters stretch from the curve 
to the curve 
A. 9?2
B. 9?
C. 
?2
D. 
?2
Mathematics
Write the numeral as an Egyptian numeral.620
A. 
B. 
C. 
D. 
Mathematics
Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.6 logx x - logx y
A. logx x6 ÷ logb y
B. logx 
C. logx (x6 - y)
D. logx 
Mathematics
Solve by completing the square.
A. 
B. 
C. 
D. none of these
Mathematics