Solve the exponential equation.26x = 10-5x
A. -5
B. 26
C. 0
D. 130
Answer: C
Mathematics
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Solve the problem.Consider the rational inequality 
> 0. Without doing any work, give the solution set. (Hint: determine the sign of the numerator and denominator.)
A. (-?, -8) B. ? C. (-9, ?) D. (-?, ?)
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Evaluate -
given x.47
A. -20 B. -47 C. 20 D. 47
Mathematics