Solve the logarithmic equation.log (2 + x) - log (x - 2) = log 3

A. ?
B.
C. - 4
D. 4


Answer: D

Mathematics

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Solve the problem.A force of  will stretch a rubber band . Assuming Hooke's law applies, how much work is done on the rubber band by a  force?

A. 1800 J B. 0.02 J C. 0.06 J D. 0.18 J

Mathematics

Translate the phrase into a mathematical expression and then find the result.234 miles increased by 770 miles

A. 234 + 770; 1014 miles B. 234 + 770; 1004 miles C. 234 - 770; 904 miles D. 234 + 770; 994 miles

Mathematics

Simplify by combining like terms. Write the final answer with descending powers.7x2 - 13x + 12 - 3x2 - 11x + 20

A. 4x2 + 24x + 32 B. 4x2 - 24x - 8 C. 4x2 - 24x + 32 D. 4x2 - 10x - 8

Mathematics

Find all values of a for which f(a) is the indicated value.f(x) = ; f(a) = 

A.
B.
C. - 
D. - 

Mathematics