Find the derivative.y = 8x-2 + 16x3 - 9x
A. -16x-3 + 48x2
B. -16x-3 + 48x2 - 9
C. -16x-1 + 48x2 - 9
D. -16x-1 + 48x2
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Add. Do not use a number line except as a check.-1.8 + 6.4
A. 8.2 B. -8.2 C. -4.6 D. 4.6
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Factor and simplify the expression.1 - 2 sin2x + sin4x
A. (1 + tan2x) B. (1 -sin2x) C. sin2x D. cos4x
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 1
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