Write the first four terms of the sequence.an = 
A. a1 = , a2 =
, a3 =
, a4 =
B. a1 = , a2 =
, a3 =
, a4 =
C. a1 = , a2 =
, a3 =
, a4 =
D. a1 = , a2 =
, a3 =
, a4 =
Answer: C
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, an+1 = 6an
A. 1, 6, 36, 216, 1296 B. 6, 36, 216, 1296, 7776 C. 6, 7, 8, 9, 10 D. 1, 7, 13, 19, 25
The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. x = -4, y = 4, z = 0 B. x = 0, y = 4, z = -4 C. x = 4, y = 4, z = -4 D. x = -4, y = 0, z = 4
Multiply. ?
A.
B.
C.
D. 73z
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = , g(x) = x2
A. No, yes B. No, no C. Yes, no D. Yes, yes