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 (5 + x) - log (x - 5) = log 3
A. 
B. {-10}
C. ?
D. {10}
Answer: D
Mathematics
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Evaluate the integral.
dx
A. 
- 3 tan-1 x + 
ln(x2 + 1) + C
B. 
- ln
- 3 tan-1 x + 
ln(x2 + 1) + C
C. 
- ln 
+ 
ln(x2 + 1) + C
D. 
- ln
- 5 tan-1 x + ln(x2 + 1) + C
Mathematics
Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(s, t), y = h(s, t), z = k(s)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
Mathematics
Find the average rate of change for the function over the given interval.y = 5x + 7 between x = -1 and x = 0
A. 
B. 5
C. -28
D. - 
Mathematics
Rationalize the numerator.
A. 
B. 
C. 
D. 
Mathematics