Solve the inequality. Graph the solution set.|x + 1| ? 0
A. -1
B. (-?, 1) ? (1, ?)
C. (-?, ?)
D. (-?, -1) ? (-1, ?)
Answer: C
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Use the definition of a logarithm to prove 
.Hint: Let
and 
. Then,
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.
? ?
A. Let 
and 
so that 
and 
. Then 
and by definition, 
; that is 
.
B. Let 
and 
so that 
and 
. Then 
and by definition, 
; that is 
.
C. Let 
and 
so that 
and 
. Then 
and by definition, 
; that is 
.
Solve the problem.The square of the difference between a number and 4 is 36. Find the number(s).
A. 10, 22 B. 10 C. -2, 10 D. 52
Find the slope of the line that passes through the given points.(-1, 0) and (0, 4)
A. 
B. 4
C. - 
D. - 4
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 
B. t-7
C. 
D. t3sr