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Pre-Calculus: Exponents and Logarithms Help & Problems

Find study help on exponents and logarithms for pre-calculus. Use the links below to select the specific area of exponents and logarithms you're looking for help with. Each guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn exponents and logarithms for pre-calculus.

Study Guides

showing 1 - 10 of 12
  • 1.

    Exponents and Logarithms Practice Test

    Review the following concepts if needed: Compound Growth Help Present Value Help

    Source: McGraw-Hill Professional
  • 2.

    Exponential Functions Help

    Introduction to Exponential Functions The idea of the geometric progression, in which a value is repeatedly multiplied by some constant, can be extended into the general realm of continuous-curve functions. In an exponential function, ...

    Source: McGraw-Hill Professional
  • 3.

    Rules for Exponentials Help

    Introduction to Rules of Exponentials—Reciprocal of Exponential Exponential functions allow us to manipulate numbers in ways that can be useful in the sorts of work you’re likely to encounter these days. Here are some of the most ...

    Source: McGraw-Hill Professional
  • 4.

    Logarithms Help

    Introduction to Logarithms A logarithm (sometimes called a log ) is an exponent to which a constant is raised to obtain a given number. Suppose the following relationship exists among three real numbers a, x , and ...

    Source: McGraw-Hill Professional
  • 5.

    Rules for Logarithms Help

    Logarithmic Functions Logarithmic functions , like their exponential-function counterparts, make it possible to work with numbers in unique ways. And, as with exponentials, logarithms have a way of coming up in work nowadays. Here are ...

    Source: McGraw-Hill Professional
  • 6.

    Graphs Based on Logarithms Help

    Introduction to Graphs Based on Logarithms Logarithms make it possible to graph certain functions that don’t lend themselves to clear portrayal on the rectangular (Cartesian) coordinate plane. This is done by making the increments on one ...

    Source: McGraw-Hill Professional
  • 7.

    Growth and Decay Practice Test

    Review the following concepts if needed: Growth by Addition Help Growth by ...

    Source: McGraw-Hill Professional
  • 8.

    The Change of Base Formula Help

    Introduction to The Change of Base Formula There are countless bases for logarithms but calculators usually have only two logarithms—log and ln. How can we use our calculators to approximate log 2 5? We ...

    Source: McGraw-Hill Professional
  • 9.

    Applications of Logarithm and Exponential Equations Help

    Introduction to Applications of Logarithm and Exponential Equations Now that we can solve exponential and logarithmic equations, we can solve many applied problems. We will need the compound growth formula for an investment earning interest rate r ...

    Source: McGraw-Hill Professional
  • 10.

    Finding the Growth Rate Help

    Introduction to Finding the Growth Rate We can find the growth rate of a population if we have reason to believe that it is growing exponentially and if we know the population level at two different times. We will use the first population level as n

    Source: McGraw-Hill Professional

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