Solve the Problem $f ( x ) = - x - 7$

question 58

Multiple Choice

Solve the problem.
-Suppose that $f ( x ) = - x - 7$ and $g ( x ) = x - 18$ .
(a) Solve $f ( x ) > 0$ .
(b) Solve $g ( x ) > 0$ .
(c) Solve $\mathrm { f } ( \mathrm { x } ) \leq \mathrm { g } ( \mathrm { x } )$ .

• A) (a) \(x < - 7\);(b) \(x < - 18\); (c) \(x \leq 5.5\)
• B) \(( a ) x > 7\);(b) \(x > 18\);(c) \(x > 5.5\)
• C) (a) \(x < - 7\); (b) \(x > 18\); (c) \(x \geq 5.5\)
• D) (a) \(x < - 7\);(b) \(x < 18\);(c) \(x \geq - 12.5\)

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