Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 2)x
A. x + (2)x-1
B. (x + 2)x
C. ln(x + 2) + 
D. x ln(x + 2)
Answer: B
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Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.12(x + 3) = 2(6x + 1) + 34
A. Identity; {all real numbers} B. Contradiction; ? C. Conditional; {36} D. Conditional; {0}
Use the quotient rule to simplify the expression.
A. d6 - d B. d7 C. 6 D. d5
Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 99 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 192 km to 986 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = x, g(x) = x - 4
A. g shifts the graph of f vertically up 4 units
B. g shifts the graph of f vertically down 4 units
C. g shifts the graph of f vertically down 4 units
D. g shifts the graph of f vertically up 4 units