Multiply, and then simplify if possible. Assume all variables represent positive real numbers.4
(
+ 
)
A. 4
+ 12
B. 12
+ 12
C. 4
+ 3
D. 4
+ 3
Answer: A
Mathematics
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Multiply and then, if possible, simplify by factoring.
A. 3
B. 
x
C. 9
D. 3x
Mathematics
Find an equation of the inverse relation.y = 4x - 5
A. x = 4y + 5
B. x = 
C. x = 4y - 5
D. y = 
+ 5
Mathematics
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = et, y = e-t; -? < t < ?
A. y = e-ln x; 0 < x < ? B. y = ex; -? < x < ? C. y = eln x; 0 < x < ? D. y = e-x; -? < x < ?
Mathematics
Use the number line to determine whether the statement is true or false. 
-1 > -6
A. True B. False
Mathematics