Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = (-x)5/2
A. Decreasing -? < x < ?
B. Decreasing -? < x ? 0
C. Decreasing -? < x ? 0
Increasing 0 ? x < ?
D. Increasing 0 ? x < ?
Answer: B
Mathematics
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A. - 
B. 
C. - 
D. - 
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Find the amplitude or period as requested.Find the amplitude of y = -4 sin 
.
A. 
B. 4
C. 2
D. -8
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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 + 16x +
A. 256; 
2
B. 64; 
2
C. 0; 
2
D. 64; 
2
Mathematics
Use the properties of real numbers to simplify the expression.-7x - (-3x)
A. -4x B. -4 C. -7x D. 4x
Mathematics