The LCD of the pair of fractions is listed. Build each fraction to an equivalent fraction that has the LCD as the denominator.LCD = 36, 
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Answer: A
Mathematics
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Find the equation for the tangent to the curve at the given point.f(x) = 
; 
A. y = - 
x + 
B. y = 13x - 16
C. y = -39x - 80
D. y = 
x + 
Mathematics
Determine if the equation specifies a function with independent variable x. If so, find the domain. If not, find a value of x to which there corresponds more than one value of y.xy + 3y = 1
A. A function with domain all real numbers except x = -3 B. Not a function; for example, when x = 1, y = ±3
Mathematics
Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. {(3, -6, -9)} B. {(3, 6, 9)} C. {(6, 9, 6)} D. {(4, 4, 9)}
Mathematics
Find the producer surplus at the equilibrium point.S(x) = x2 + 5; x = 1
A. -$1.67 B. -$5 C. $0.67 D. $5
Mathematics