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	Precalculus Functions and Graphs 4/e Barnett/Ziegler/Byleen
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Worked Exercises

Chapter 4: Exponential and Logarithmic Functions

Exercise Set 4-1

Construct a table of values for integer values of x over the indicated interval and then graph the function.

Solution

Solution

Simplify.

Solution

APPLICATIONS

Solution

Solution

Exercise Set 4-2

Construct a table of values for integer values of x over the indicated interval and then graph the function.

Solution

Simplify.

Solution

Solve the equation. [Remember: e^-x does not equal 0.]

Solution

APPLICATIONS

Solution

Solution

Exercise Set 4-3

Find x, y, or b.

Solution

Solution

Write the expression in terms of a simpler logarithmic form.

Solution

Write the expression in terms of a single logarithm with a coefficient of 1. Example: log_bu² - log_bv = log_b(u²/v).

Solution

Solve for x without using a calculator or table.

Solution

Solution

If log_b2 = 0.69, log_b3 = 1.10, and log_b5 = 1.61, find the value for the expression.

Solution

Exercise Set 4-4

Evaluate x to 4 significant digits, given:

Solution

Evaluate to three decimal places.

Solution

Solution

Graph the function.

Solution

Exercise Set 4-5

Solve to 3 significant digits.

Solution

Solution

Solve for the indicated variable in terms of the remaining symbols. If the equation is exponential, use the natural log.

Solution

APPLICATIONS

Solution

Solution

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