STUDY GUIDE FOR MATH 2147 TEST ONE
The textbook sections of Test One are R.8, 3.1, 3.5, 6.2, 6.3, and 6.4. A section by section breakdown of the test objectives with corresponding hw problems to practice are given below:
•Using function notation HW #39-46 ALL
•Finding the domain of a function HW #51-60 ALL
•Computing the difference quotient of a given function HW #74,75,77,79, 80 (for #79, use 3
SECTION 6.2-ONE-TO-ONE FUNCTIONS, INVERSE FUNCTIONS
•Given the graph of a one-to-one function f, sketch the graph of the inverse function f-1. HW #41-46 ALL
•Find the inverse f-1 of a given one-to-one function f. State the domain and range of both f and f-1. Also, if directed to do so, sketch the graphs of f, f-1, and y=x on the same set of coordinate axes. HW #49-69 odds
•Apply inverse functions to real -life situations. HW #89, 91-94 ALL. Also, try #95. It is an interesting problem.
SECTION 6.3 EXPONENTIAL FUNCTIONS
•Use transformations to sketch the graph of a function with an exponential term . Find the domain, range, and horizontal asymptote of each function. HW #37-55 odds
• Solve exponential equations. HW #57-75 odds
• Solve general problems involving the concept of exponential function. HW #77-90 odds
•Graph piecewise defined functions involving exponential terms HW #90-94 ALL
SECTION 6.4- LOGARITHMIC FUNCTIONS
•Write an equation in exponential form into logarithmic form and vica versa. HW #9-35 odds
•Find the exact value of a logarithmic expression without using a calculator .
•Find the domain of functions with logarithmic terms , HW #37-48 ALL
•Sketch the graph of a one-to-one function f with logarithmic terms and its inverse f-1. Find the domain , range, and vertical asymptotes.
•Solve logarithmic equations. HW #87-111 odds
•Use logarithms to solve real -life problems. HW #117-133 odds