Write a general term an for the sequence. Assume that n begins with 1.
, 
, 
, 
, . . .
A. an = 
n
B. an = 
n
C. an = 
(n - 1)
D. an = 
n-1
Answer: B
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The area of a triangle can be derived from the area of a kite in which of the following ways??
A.
?Half of the width of a kite × 1/2 × the length of the kite = the area of the triangle.
B.
?Twice the area of one of the congruent triangles equals the area of the kite.
C.
?They have the same formula: 
, and thus must be the same shape.
D.
?a and b are true.
E.
?None are true.
Solve the problem.James purchased a bond for $6500, and twenty months later he sold it for $7000. What annual rate would he have to earn in a savings account compounded monthly, to earn the same money on his investment?
A. 5.2% B. 5.95% C. 4.45% D. 6.45%
Find a quadratic function that best fits the data. Give answers to the nearest hundredth.
A. y = 5.66x2 - 39.888x + 99.29 B. y = 1.40x2 + 27.15x + 14.44 C. y = -0.03 + 3.78x - 6.74 D. y = -1.40x2 + 27.15x - 14.44
Use the given vectors to find the indicated expression.v = -3i - 5j + 4k, w = 4i + 3j - 2k, u = -2i + 4j - 2kFind v ? (v × w).
A. 0 B. -74 C. 30 D. 74