The demand function for a commodity is given by 
Find the consumer surplus when the sales level is 100.
a. $9,167
b. $7,167
c. $11,167
d. $8,167
e. $10,167
b. $7,167
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Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3(1 - ex), x > 0; relative to f(x) = ex
A. Stretched vert; reflected across x-axis;
moved up 3 unit(s)
B. Stretched horiz; reflected across y-axis;
moved down 1 unit(s)
C. Stretched horiz; reflected across x-axis;
moved down 3 unit(s)
D. Stretched vert; reflected across y-axis;
moved up 1 unit(s)
Factor completely.12x3 + 25x2 + 12x
A. (12x2 + 3)(x + 4) B. x(12x + 1)(x + 12) C. x(4x - 3)(3x - 4) D. x(4x + 3)(3x + 4)
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = (-2x + 7)5
A. y = 5u + 7; u = x5; 
= -10x4
B. y = u5; u = -2x + 7; 
= 5(-2x + 7)4
C. y = u5; u = -2x + 7; 
= -2(-2x + 7)5
D. y = u5; u = -2x + 7; 
= -10(-2x + 7)4
Solve the equation on the interval 0 ? ? < 2?.cos(2?) = 
- cos(2?)
A. 
B. 
C. 
D. No solution