Find the function value. If the result is irrational, round your answer to the nearest thousandth.Let f(x) = 2x. Find f(4.5).

A. 22.627
B. 33.941
C. 9
D. 45.254


Answer: A

Mathematics

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Multiply.54 ? 7 ? 9

A. 3402 B. 3412 C. 3392 D. 3391

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Simplify the expression. Assume that all variables are positive when they appear.4 - 2

A. 8 - 2
B. 8
C. 0
D. cannot simplify

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Solve the problem.Add (3a3 - 6a2) and (7a3 + 3a2).

A. 7a10 B. 7a5 C. 10a6 - 3a4 D. 10a3 - 3a2

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Tangents are drawn to circle O from point P to R and Z on the circle. Then

(a) RP = ZP. (b) ?ROP = 0.5( ). (c) ?ZPO = 0.5(RPO). (d) (PO)2 + (RO)2 = (PR)2 (e) Both (a) and (d) are correct.

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