Find the derivative of y with respect to the independent variable.y = 4cos ??
A. -?4cos ?? ln 4 sin ??
B. -4cos ?? ln 4 sin ??
C. 4cos ??
D. ?4cos ?? ln 4
Answer: A
Mathematics
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What will be an ideal response?
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A. All real numbers
B. 
x ? - 
C. 
D. 
x ? - 
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Find the opposite of the polynomial.15x4 + x3 + 17x2 + 
A. 
x4 + x3 + 
x2 + 7
B. -15x4 - x3 - 17x2 - 
C. 15x4 - x3 + 17x2 - 
D. -15x4 + x3 - 17x2 + 
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Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 3x +
A. 0; 
2
B. 0; 
2
C. 
; 
2
D. 
; 
2
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