Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = -6.8x + 150.7
B. y = 6.2x - 140.4
C. y = 6.8x - 150.7
D. y = -6.2x + 140.4
Answer: D
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Solve the problem.After the eulerization of a graph, the number of even vertices is
A. not possible to determine without knowing the specific graph. B. the same as the number of odd vertices before the eulerization. C. 0. D. 2. E. the same as the number of even vertices before the eulerization.
Find the exact value without using a calculator. cot 
A. - 
B. 
C. 
D. -
Find the value of the polynomial at the given replacement values.2x2 + 3x + 2 when x = -5
A. -63 B. 67 C. 37 D. -33
Use synthetic division to find the quotient and the remainder.
A. quotient: 2x4 + x3 + x2 + 4x + 3; remainder: 8 B. quotient: 2x4 + x3 - x2 + 2x + 1; remainder: 6 C. quotient: 2x4 - 3x3 - x; remainder: 6 D. quotient: 2x4 + x3 + 4x2 + 3x; remainder: 8