Find the product.(y - 7)(y2 + 7y + 7)
A. y3 + 56y + 49
B. y3 - 42y - 49
C. y3 - 14y2 - 42y - 49
D. y3 + 14y2 + 42y + 49
Answer: B
Mathematics
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Write the function in the form 
or 
. Find the period and phase shift.y = - 
sin
A. y = - 
sin
period = - 
; phase shift = 
B. y = - 
sin
period = 6; phase shift = - 1
C. y = - 
sin
period = 6; phase shift = - 
D. y = - 
sin
period = 3; phase shift = 1
Mathematics
Add and simplify.
+ 
A. 
B. 
C. - 
D. 
Mathematics
Use a proportion to solve the problem. Round to the nearest tenth as needed.Find the height of the building. Assume that the height of the person is 
A. 36.4 ft B. 473.2 ft C. 98 ft D. 70 ft
Mathematics
Select the graph of the given function and determine the interval(s) for which f(x) ? 0.
?
?
A. ?
?
(-?, 2]
B. ?
?
[-2, ?)
C. ?
?
?[-2, 2)
D. ?
?
[2, ?)
E. ?
?
[-2, ?)
Mathematics