If F ( X ) = 2 X + 6 $-$

question 78

Multiple Choice

If f ( x ) = 2 x + 6, find f (0) , f ( $-$ 5) , f (4) , f ( $-$ 9) .

• A) f (0) = \(-\) 6, f ( \(-\) 5) = 4, f (4) = \(-\) 14, f ( \(-\) 9) = 12
• B) f (0) = 7, f ( \(-\) 5) = \(-\) 5, f (4) = 15, f ( \(-\) 9) = \(-\) 13
• C) f (0) = 9, f ( \(-\) 5) = \(-\) 6, f (4) = 17, f ( \(-\) 9) = \(-\) 14
• D) f (0) = 6, f ( \(-\) 5) = \(-\) 4, f (4) = 14, f ( \(-\) 9) = \(-\) 12

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Definitions:

Biconditional

A logical statement combining two conditions where each implies the other; written as "if and only if."

Tautology

A redundant or repetitive statement in which the same thing is said twice in different words.

Main Component

A primary or essential part of a larger whole or system.

Biconditional

A logical relation between statements where both are either simultaneously true or simultaneously false.