Estimate the following mentally.1 ? 8 ? 19 ? 52
A. 1500
B. 1000
C. 20,000
D. 10,000
Answer: D
Mathematics
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Evaluate the derivative of the given function at the given point.y = x2 - x; (2, 2)
A. 6 B. 4 C. 3 D. 2
Mathematics
Find the probability.A card is drawn from a well-shuffled deck of 52 cards. What is the probability of drawing a face card or a 6?
A. 
B. 16
C. 
D. 
Mathematics
Use a graphing utility to approximate the real solutions, if any, of the equation rounded to two decimal places.2x4 - 5x2 + 7x = 14
A. {-2.32, 1.70} B. {-2.31, 1.69} C. {-2.31, 1.70} D. {-2.30, 1.69}
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.2x - 3y + 5z = 7-5x - 2y + 3z = -37x + 3y - 2z = -10
A. 
B. 
C. 
D. No solution
Mathematics