# Past Exam for MTH 119 - Pre-Calculus I at Essex County College (ESSEX)

## Exam Information

 Material Type: Final Professor: Staff Class: MTH 119 - Pre-Calculus I Subject: Mathematics University: Essex County College Term: Spring 2005 Keywords: Matrix EquationCoefficient MatrixFinal AnswersExact SolutionRow OperationsYou Have...Decimal PlacesAugmented MatrixInverse FunctionMathematics     ## Sample Document Text

MTH 119 - Spring - 2005 Essex County College - Division of Mathematics Final Exam1 - Created April 19, 2005 Name: Signature: Show all work clearly and in order, and box your final answers. Justify your answers alge- braically whenever possible. You have at most 80 minutes to take this 100 point exam. No cellular phones allowed. 10 points 1. Find the inverse function, f?1 (x), of f (x) = 5?3x7 . 10 points 2. For f (x) = 3x2 ?2x + 5, construct and simplify the difference quotient f (x + h)? f (x) h , h negationslash= 0. 1 4 points 3. Solve log7 149 = x, for x. 4 points 4. Use your calculator to evaluate 13.59� e0.13�(50) accurate to two decimal places. 6 points 5. Find the horizontal asymptote of the graph of f (x) = 3x 2 + x ?2 5x2 ? x ?6. 6 points 6. Find the vertical asymptote of the graph of f (x) = 3x 2 + x ?2 5x2 ? x ?6. 1This document was prepared by Ron Bannon using LATEX2?. 2 15 points7. Solve by using an augmented matrix and elementary row operations, or by using a matrix...

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