Find the reciprocal.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the vertex of the given parabola.f(x) = 2x2 + 20x + 47
A. (3, 5) B. (-3, -5) C. (5, 3) D. (-5, -3)
Mathematics
Show that the equation is not an identity by listing the value(s) of the variable from among 0, 
, 
, and - 
for which the equation is false.sin ? + cos ? = 1
A. 
and - 
B. 
and 0
C. 
, 
, and 0
D. 
, 
, and - 
Mathematics
Write the initial simplex tableau for the linear programming problem.Maximize x +3y + 40 subject to the following constraints.
What will be an ideal response?
Mathematics
Represent the quantity by an integer.a climb of 128 feet down into a subterranean cave
A. 128 B. -128
Mathematics