Solve the equation by making an appropriate substitution.x - 8 + 7 = 0

A. {1, 49}
B. {-1, 1, -7, 7}
C. {-1, 1, -}
D. {1, 7}


Answer: A

Mathematics

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Determine if the series converges or diverges. If the series converges, find its sum.

A. converges; 
B. diverges
C. converges; 
D. converges; 

Mathematics

Perform the indicated operations.3 × 10-35 + 5 × 10-34

A. 8.0 × 10-34 B. 5.3 × 10-35 C. 5.3 × 10-34 D. 5.3 × 10-33

Mathematics

For the compound inequality, give the solution set in both interval and graph forms.-5a + 4 > -26 or -5a + 4 ? -6

A. (-?, 2] ? (6, ?)


B. [2, ?)

C. (-?, 6)

D. (-?, ?)

Mathematics

Write as logarithmic equations.4-2 = 

A. log- 2  = 4
B. log4-2 = 
C. log1/44 = -2 
D. log4  = -2

Mathematics