Find the number of subsets of the set.{x | x is a day of the week}
A. 127
B. 256
C. 128
D. 124
Answer: C
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.xy - x + y = 5
A. 
= - 
; 
= 
B. 
= 
; 
= 
C. 
= - 
; 
= 
D. 
= 
; 
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Mathematics
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Use the graph of a known basic function and a combination of horizontal shifts, reflections, and vertical shifts to sketch the function.f(x) = -x3 + 3
A. 
B. 
C. 
D. 
Mathematics
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find sin 
.
A. 
B. -
C. 
D. 
Mathematics