Determine algebraically whether the function is even, odd, or neither.f(x) = 
A. even
B. odd
C. neither
Answer: B
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Find the derivative.y = 2 sin (9x - 7)
A. 18 cos (9x - 7) B. 9 sin (9x - 7) C. -9 cos (9x - 7) D. 2 cos (9x - 7)
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.9x2 - 4xy + 5y2 - 8x + 8y = 0
A. x = 
x' - 
y' and y = 
x' + 
y'
B. x = -y' and y = x'
C. x = 
x' - 
y' and y = 
x' + 
y'
D. x = 
(x' - y') and y = 
(x' + y')
Solve the problem.The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 5x2 - 40x + 144. Find the number of automobiles that must be produced to minimize the cost.
A. 20 thousand automobiles B. 64 thousand automobiles C. 8 thousand automobiles D. 4 thousand automobiles
Find the equation of the line specified.The line passes through the points (2, 1) and (3, 2)
A. y = x + 3 B. y = x - 1 C. y = x + 1 D. y = -x - 1