Solve the logarithmic equation. Give an exact answer.log7 x + log7(x - 48) = 2

A. {-49}
B. {49}
C. {7}
D. {-7}


Answer: B

Mathematics

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Find an equation of a line satisfying the following conditions.Parallel to x = 1, passing through 

A. y = 2
B. x = 
C. y = - 
D. x = - 

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Solve the inequality. Express your answer using interval notation.x(4x - 7) ? (2x + 7)2

A.

B.

C.

D.

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Find a formula for the nth term of the sequence.The sequence 0, 2, 2, 2, 0, 2, 2, 2, . . . (0 and 3 2's repeated)

A. an = 1 + (-1)((n+1)(n+2))/2 B. an = 1 + (-1)(n(n+1)(n+2))/6 C. an = 1 + (-1)(n(n+1))/2 D. an = 1 + (-1)(n(n-1))/2

Mathematics

Divide and simplify.

A. -12x9 + 9x3 B. 12x12 C. 3x6 - 36x6 D. 3x6 + 9x3

Mathematics