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