For what values of x does the series converge absolutely?
A. -10 < x < -8
B. -10 ? x ? -8
C. -10 ? x < -8
D. -10 < x ? -8
Answer: A
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Find a pattern and use it to solve the problem.Find the next term: 1, 1, 2, 3, 5, 8, 13
A. 21 B. 16 C. 18 D. 15
Solve the problem.The following points form a quadratic relationship: (1, 5.0), (2, 4.4), (3, 4.3), (4, 4.2), (5, 4.6), (6, 4.8), (7, 5.4), (8, 6.2) . The x-coordinates are the years a particular company has been in operation and the y-coordinates are the profit, in millions, for that year. Find the quadratic function that models the profit in millions as a function of x, the number of years of operation. Round to three decimal places.
A. y = - 0.003x2 + 0.145x - 0.892 B. y = 0.101x2 - 0.723x + 5.552 C. y = 0.099x2 + 1.254x - 3.512 D. y = 0.203x2 - 0.945x + 7.098
Express the English phrase using an algebraic expression.Three times a number x, increased by twelve
A. 3 + 12x B. 3x + 36 C. 3x - 12 D. 3x + 12
Determine the x- and y-intercepts of the graph of the quadratic equation.y = x2 + 4x - 7
A. x-intercepts: none; y-intercept: -7
B. x-intercepts: 1 - 
, 1 + 
; y-intercept: -7
C. x-intercepts: -2 - 
, -2 + 
; y-intercept: -7
D. x-intercepts: -1 - 
, -1 + 
; y-intercept: -7