Solve the equation by the method of your choice.3x2 + 6x = - 1
A. 
B. 
C. 
D. 
Answer: C
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Describe the graph of the polar equation.r2 = 48 rcos ? - 6r sin ? - 9
A. Parabola opening upward with vertex (48, -6) B. Circle with radius 3 and center (48, -6) C. Parabola opening to the right with vertex (48, -6) D. Circle with radius 24 and center (24, -3)
Find all the local maxima, local minima, and saddle points of the function.
A. f(0, 0) = 0, local minimum B. f(7, 10) = 17,301, saddle point; f(10, 7) = 14,700, saddle point C. f(70, 70) = 882,000, local maximum; f(0, 0) = 0, local minimum D. f(70, 70) = 882,000, local maximum
Solve the problem.A car rental agency rents a luxury, full-size car for $19.95 per day and $0.29 per mile. If you rent this car for 2 days, how many whole miles can you drive if you have $200 to spend?
A. 613 mi B. 552 mi C. 2 mi D. 100 mi
Determine whether the situation or equation represents direct or inverse variation.The ability of a truck to climb hills and the weight of its cargo
A. Inverse B. Direct