A partial solution set is given for the equation.
?

?
Find the sum of all the solutions of the equation.
?

A.
B.
C.
D.
E. none of these


Answer: D

Mathematics

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Express as a single logarithm and, if possible, simplify. log(t3 + 1000) - log(t + 10)

A. log(t2 - 10t + 100)
B.
C. log(t3 - t + 1000)
D. log(t2 + 10t + 100)

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Solve the problem.A parabolic train track must pass through the points (1, 0), (0, 7), and (0, -7), where the units are kilometers. Find an equation for the train tracks in the form   

A. x =  (y - 0)2 - 1
B. x = - (y - 0)2 + 1
C. x =  (y - 0)2 + 1
D. x =  (y - 0)2 - 1

Mathematics

Write out the sum. Do not evaluate.

A. 2 + 22 + 23 + ... + 2n+1 B. 22 + 23 + 24 + ... + 2n C. 2 + 22 + 23 + ... + 2n D. 22 + 23 + 24 + ... + 2n+1

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Decide whether or not the functions are inverses of each other.f(x) = 2x + 4, g(x) = x - 2

A. No B. Yes

Mathematics