Use the properties of logarithms to solve.log (x - 9) = 1 - log x
A. 10
B. -10
C. -10, 1
D. -1, 10
Answer: A
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.6 + 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 7
C. 
; 
D. 
; 7
Mathematics
Solve the problem.For approximately what values of x can tan-1 x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.26547 B. |x| < 0.25873 C. |x| < 0.31386 D. |x| < 0.32085
Mathematics
If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(-4, -4) (1, 4) (4, 2)
A. 34 B. 52 C. 26 D. 17
Mathematics
Rewrite the expression with a positive rational exponent. Simplify, if possible.121/9 ? 128/9
A. 121/9
B. 
C. 12
D. 128/81
Mathematics