Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log x + log (x +1) = log 56
A. 
B. {8, -7}
C. {8}
D. {7}
Answer: D
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A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.d = rt; t = 5, d = 20
A. 15 B. 4 C. 25 D. 0.3
Write, as indicated, the converse, inverse, or contrapositive for the statement.If you received a refund of over $1,000, then you cannot make a claim. (contrapositive)
A. If you cannot make a claim, then you did not receive a refund of over $1,000. B. If you can make a claim, then you received a refund of over $1,000. C. If you did not receive a refund of over $1,000, then you can make a claim. D. If you can make a claim, then you did not receive a refund of over $1,000.
Perform the indicated operations. Leave the result in polar form.
A. 
B. 
C. 
D. 
Find the slope of the line going through the given pair of points.(-5, 0) and (0, 2)
A. 
B. - 
C. 
D. - 