Simplify.(8 - 9y2) + (3y2 - 4 - 3y)
A. -6y2 - 3y + 4
B. -6y2 + 3y + 4
C. -12y2 - 3y + 4
D. -6y2 - 3y + 12
Answer: A
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A coffee merchant sells two blends of coffee. Each pound of blend A contains 80% Mocha Java and 20 % Jamaican and sells for $2 a pound. Each pound of blend B contains 35% Mocha Java and 65% Jamaican and sells for $2.25 a pound. The merchant has available 1000 pounds of Mocha Java and 600 pounds of Jamaican. The merchant will try to sell the amount of each blend that maximizes her income. Let x be the number of pounds of blend A and y be the number of pounds of blend B. Since the merchant above has available 1000 pounds of Mocha Java, one inequality that must be satisfied is
A. 0.8x + 0.35y ? 1000. B. 0.8x + 0.35y ? 1000. C. 0.35x + 0.65y ? 1000. D. 0.8x + 0.2y ? 1000. E. none of these
Solve the problem.Fill in the blank.4
+ 14
cannot be simplified because the _________ are not the same.
A. coefficients B. variables C. radicands D. roots or indexes
Find the equation of the secant line through the points where x has the given values.f(x) = x2 + 4x; x = 5, x = 2
A. y = 11x - 10 B. y = 11x C. y = 10x - 11 D. y = 11x + 10
Use the properties of logarithms to solve.log 6 (4x - 5) = 1
A. 7
B. 
C. 
D. 