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When f(a) = a2 + 2a + 5, what is the value of f(a + b)?

(A)a2 + b2 + 2ab + 5

(B) a2 + b2 + 2a + 2b + 10

(C) a2 + b2 + 2a + 2b + 5

(D) (a + b)2 + a + b + 5

(E) (a + b)2 + 2a + 2b + 5

The Correct Answer

The coordinates of the vertices of MON are shown in the standard (x,y) coordinate plane below. Rectangle MPQR is shown shaded. Point P lies on , point Q lies on , and point R lies on .

What is the value of cos (MON)?

(A) (B) (C) 2 (D) (E)

Correct Answer: B

What is a possible value of xif ?

(A) (B) (C) (D) (E)

Correct Answer: A

If a is a factor of 32 and b is a factor of 45, the product of a and b could NOT be which of the following?

(F) 1,440(G) 288(H) 80(J) 54(K) 1

Correct Answer: J

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