Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Answer: A
Mathematics
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Fill in the blank with one of the words or phrases listed below. 
A(n) 
of an equation is a number that when substituted for a variable makes the equation a true statement.
A. positive B. negative C. solution D. multiplication
Mathematics
Find the absolute extremum within the specified domain.Maximum of f(x) = x2 - 4; [-1, 2]
A. (1, -3) B. (-2, 0) C. (-1, 3) D. (2, 0)
Mathematics
Determine the two equations necessary to graph the ellipse with a graphing calculator.
+ 
= 1
A. y = 
and y = -
B. y = 
and y = - 
C. y = 
and y = -
D. y = 
and y = - 
Mathematics
Write the substitution that could be used to make each equation quadratic in u.For (4 - t)4 - (4 - t)2 + 9, use u = 
.
A. 4 + t
B. 
C. 4 - t
D. (4 - t)2
Mathematics