Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = -4x2 + 8x + 2
A. x = -1
B. x = 6
C. x = 2
D. x = 1
Answer: D
Mathematics
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Evaluate the integral.
2x dx
A. - 
x cot 2x + 
ln 
+ C
B. - x cot 2x + ln 
+ C
C. 
x cot 2x - 
ln 
+ C
D. - 2x cot 2x + 4 ln 
+ C
Mathematics
Solve the problem.Suppose that c(x) = 2x3 - 24x2 + 8003x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.
A. 122 items B. There is not a production level that will minimize average cost. C. -98 items D. 8003 items
Mathematics
Find the exact value of the expression.tan
A. 
B. 
C. 
D. 
Mathematics
Write the expression using a multiple of a logarithm.log6 
A. 
log6
B. y log6 
C. 
D. 
log6 y
Mathematics