Factor the perfect square trinomial.
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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.T(t) = 2t - t3
A. Concave up on (-?, 0) ? (1, ?), concave down on (0, 1); inflection points (0, 0), (1, 2) B. Concave up on (-?, 0), concave down on (0, ?); inflection point (0, 0) C. Concave up on (0, ?), concave down on (-?, 0); inflection point (0, 0) D. Concave down for all t, no points of inflection
Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = (x - 3)2 - 9
A. (0, 0) and (-6, 0) B. (0, 0) and (-9, 0) C. (-6, 0) and (6, 0) D. (0, 0) and (6, 0)
Solve the equation.11x - 4x + x = 40
A. 5
B. 
C. 10
D. 25
Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.5
÷ 2
A. 2
B. 2
C. 2
D. 3