Divide the expression. You may want to use the property 
= 
+ 
. Do not use a calculator.
A. 3x8 - 9x4
B. 3x8 + 45x7
C. -6x15
D. -15x11 - 9x4
Answer: A
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (7x + 2)x
A. x ln (7x + 2)
B. (7x + 2)x
C. ln (7x + 2) + 
D. (7x + 2)x
Shade the portion of the diagram that represents the given set.
? (A ? B)
A. 
B. 
Factor the polynomial completely, given that the binomial is a factor.x + 6, x3 + 17x2 + 90x + 144
A. (x + 6)(x2 + 24) B. (x + 6)(x2 - 11x + 24) C. (x + 6)(x2 + 11x + 24) D. (x + 6)(x + 3)(x + 8)
Solve the problem.The owners of a candy store want to sell, for $6 per pound, a mixture of chocolate-covered raisins, which usually sells for $3 per pound, and chocolate-covered macadamia nuts, which usually sells for $8 per pound. They have a 
barrel of the raisins. How many pounds of the nuts should they mix with the barrel of raisins so that they hit their target value of $6 per pound for the mixture?
A. 80 lb B. 75 lb C. 65 lb D. 70 lb