Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.7x = 6x + 7
A. 40.68
B. 81.36
C. 42.00
D. 3.36
Answer: B
Mathematics
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Expand the expression.log3 
A. 9 log3 x - 
log3 yz6
B. 
C. 9 log3 x - 
log3 y - 3 log3 z
D. 9 log3 x - 3 log3 y + 3 log3 z
Mathematics
Find all numbers that must be excluded from the domain of the rational expression.
A. x ? 0 B. x ? -5, x ? -3 C. x ? 5, x ? 3 D. x ? -3
Mathematics
For what values of does the curve have maximum and minimum points for the given function 
?
What will be an ideal response?
Mathematics
Solve the system using Gauss-Jordan elimination.
a. ( 14, 9, 3, 6 )
b. ( -14, 9, 3, 6 )
c. ( 14, -9, 3, -6 )
d. ( 14, -9, 3, 6 )
e. ( 14, 9, -3, 6 )
Mathematics