Graph the equation.9(x + 2)2 + 4(y - 1)2 = 36
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the Concavity Theorem to determine where the given function is concave up and where it is concave down. Also find all inflection points.f(x) = x2 - 16x + 69
A. Concave up on (8, ?), concave down on (-?, 8); inflection point (8, 5) B. Concave up on (-?, 8), concave down on (8, ?); inflection point (8, 5) C. Concave down for all x; no inflection points D. Concave up for all x; no inflection points
Mathematics
Provide an appropriate response.Does the curve y = (x + 3)3 have any horizontal tangents? If so, where? Give reasons for your answer.
What will be an ideal response?
Mathematics
Write the numeral as a Mayan numeral.7581
A. 
B. 
C. 
D. 
Mathematics
Find the least common denominator of the rational expressions.
and 
A. 80x B. 20x2 C. 80x3 D. 80x2
Mathematics