Question: Part 1: Solving Exponential Equations EXAMPLE questions: The value of a new car, in dollars, x years after it was purchased is modelled by: f

Part 1:

Solving Exponential Equations

EXAMPLE questions:

The value of a new car, in dollars, x years after it was purchased is modelled by: f (x) = 42000 + 5x 2+0.5x a. What was the value of the car when it was new? b. What was the value of the car after 5 years? c. What is happening to the value of the car as time passes? d. What is the scrap value of the car (the least value the car can have)? e. Sketch the graph of f(x). Label key characteristics.\f\fDetermine the horizontal asymptote of /(1) = 1 , and justify your answer. I-3Given the graph of /(x) = x- 3 shown below: x+1 -5 10 Determine the following characteristics 1. Positive Interval(s) 2. Negative Interval(s) 3. Interval(s) of Increase 4. Interval(s) of decrease

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