Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.32 + 63 + 94 + . . . + 249
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Andrea Gilford's savings account has a balance of $453. After 2 years, what will the amount of interest be at 4% compounded quarterly?
A. $42.53 B. $37.53 C. $9.06 D. $28.53
Write the equation of the axis of symmetry.y = -6x2 - 8
A. x = 8
B. x = 
C. x = 0
D. x = -6
Answer the question.How can the graph of f(x) = (x - 7)2 - 8 be obtained from the graph of y = x2?
A. Shift it 7 units horizontally to the left. Shift it vertically 8 units upward. B. Shift it 8 units horizontally to the right. Shift it vertically 7 units downward. C. Shift it 7 units horizontally to the right. Shift it vertically 8 units downward. D. Shift it 7 units horizontally to the left. Shift it vertically 8 units downward.
Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = 1?
A. 0, 2?
B. 
C. 
, 
D. none