Evaluate as requested.Given that f(x) = 6x2 - 3x + 8, find f(-x).
A. 6x2 + 3x + 8
B. -6x2 + 3x - 8
C. -6x2 + 4x + 8
D. 5x2 + 4x + 7
Answer: A
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Use the payoff matrix to determine the best strategy.A clothing manufacturer must decide which of two clothing lines to emphasize for the spring season, her usual line or a budget line. Her success with each line depends on the state of the economy next year. She estimates the payoff matrix to be as follows:StrongIn-betweenWeakEconomyEconomyEconomy
Economists believe that there is a 5% chance of a strong economy next year, a 75% chance of a weak economy, and a 20% chance of an in-between economy. What is the manufacturer's best strategy?
A. Wait and see B. Emphasize the usual line C. Emphasize the budget line
Solve.If the mass of an object is 2.48325 × 10-13 tons and its volume is 5.25 × 10-8 cubic feet, find the density of this object. (Use the formula D = 
and round to the nearest hundredth, if necessary.)
A. 4.73 × 10-6 tons per cubic foot B. 47.3 × 10-6 tons per cubic foot C. 4.73 × 10-5 tons per cubic foot D. 4.73 × 10-7 tons per cubic foot
Solve the system of equations.
A. x = 3z + 1, and y = z - 3, where z is any real number or {(x, y, z) |x = 3z + 1, and y = z - 3, where z is any real number} B. x = -3 - z, and y = 3z + 1, where z is any real number or {(x, y, z) |x = -3 - z, and y = 3z + 1, where z is any real number} C. x = z + 3, and y = 3z + 1, where z is any real number or {(x, y, z) |x = z + 3, and y = 3z + 1, where z is any real number} D. inconsistent
Solve the quadratic inequality symbolically. Write your answer in interval notation.-3x2 + 3x - 5 ? 0
A. 
B. 
C. No real solutions
D. All real numbers