Write an equation for the graph in the form y = a(x - h)2 + k, where a is either 1 or -1 and h and k are integers.
A. y = (x + 3)2 - 
B. y = -(x + 3)2 + 2
C. y = (x + 3)2 + 2
D. y = -(x - 3)2 - 2
Answer: B
Mathematics
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Find the domain of x in the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Add or subtract. Simplify radicals where necessary.
+ 
+ 
+ 
A. 
+ 
+ 7
B. 157
+ 7
C. 17
+ 7
D. 17
+ 
+ 
Mathematics
Use the given graph of the polynomial function to state whether the leading coefficient is positive or negative and whether the polynomial function is cubic or quartic.
A. Negative; Quartic B. Positive; Quartic C. Negative; Cubic D. Positive; Cubic
Mathematics
Find an equation y = mx + b that models the quantity y after x units of time.A quantity y is initially 6 and decreases at a rate of 50 per day.
A. y = -50x + 6 B. y = -50x - 6 C. y = -6x - 50 D. y = -6x + 50
Mathematics