Provide an appropriate response.True or False? Pure water is neutral and has a pH of 0.
A. False
B. True
Answer: A
Mathematics
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Determine whether or not the function is one-to-one.f(x) = x2 - 4
A. No B. Yes
Mathematics
Find an equation for the indicated ellipse.Vertices (±5, -2) and foci (±2, -2)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Evaluate the function as indicated.Find f(-2) when f(x) = 
.
A. 
B. - 
C. 
D. 
Mathematics
Factor the difference of squares.(r + s)2 - 9
A. (r - s + 3)(r - s - 3) B. (r2 + 3)(s2 - 3) C. (r + s + 3)(r + s - 3) D. (r + s + 3)(r - s - 3)
Mathematics