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What is the minimum value of 9 cos x?

(A)–9

(B)–2

(C)0

(D)2

(E)9

The Correct Answer
Explanation

A function f(x) is defined as even if and only if f(x) = f(-x) for all real values of x. Which one of the following graphs represents an even function f(x)?

(F) (G) (H) (J) (K)

Correct Answer: F

What is the largest integer value of t that satisfies the inequality ?

(A)30 (B) 19 (C) 18 (D) 10 (E) 8

Correct Answer: B

The circle below has an area of 64π cm2. A central angle with measure 24° intercepts minor arc . What is the length of minor arc , in centimeters?

(F) π (G) π (H) (J) π (K) 192π

Correct Answer: H

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