Solve the Problem $f ( x ) = m x + b$

question 53

Multiple Choice

Solve the problem.
-Given $f ( x ) = m x + b$ , find $m$ and $b$ if $f ( - 6 ) = - 7$ and $f ( - 12 ) = - 11$ .

• A) \(m = \frac { 3 } { 2 } ; b = - 3\)
• B) \(m = \frac { 3 } { 2 } ; b = 3\)
• C) \(m = \frac { 2 } { 3 } ; b = 3\)
• D) \(m = \frac { 2 } { 3 } ; b = - 3\)

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