Exploring Exponential Functions

The video introduces exponential functions, comparing them with linear and quadratic functions. It explains the unique characteristics of exponential functions, such as their increasing rate of change and inability to equal zero. The video also covers graphing exponential functions under various conditions, highlighting how changes in parameters affect their graphs.

What is a key characteristic of exponential functions compared to linear functions?

• Exponential functions have a constant rate of change.

• The rate of change in exponential functions increases as the value of x increases.

• Exponential functions can reach zero.

• The slope of exponential functions is constant.

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What happens to the value of an exponential function as the exponent increases?

• It decreases at an increasing rate.

• It decreases at a decreasing rate.

• It remains constant.

• It increases at an increasing rate.

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What distinguishes an exponential function's growth from a linear function's growth?

• Linear functions have a variable rate of growth.

• Exponential functions grow faster as x increases.

• Exponential functions grow at a constant rate.

• Linear functions grow faster than exponential functions.

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Why can't exponential functions ever reach zero?

• Because their slope is always positive.

• Because their rate of change is constant.

• Because they can only have positive exponents.

• Because a negative exponent results in a fraction, not zero.

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What is the result of an exponential function with a very large negative exponent?

• A very large positive number.

• Zero.

• A negative number.

• A very small positive number, close to zero.

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In an exponential function, what does a negative exponent signify?

• The function's growth rate decreases.

• The function will equal zero.

• The function's value will be negative.

• The function's value will be a fraction.

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How does the graph of an exponential function look when 'a' is greater than zero and 'b' is greater than one?

• It decreases as x increases.

• It remains constant regardless of x.

• It increases at a decreasing rate.

• It increases at an increasing rate.

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What effect does a 'b' value greater than zero but less than one have on the graph of an exponential function?

• The graph decreases as x increases.

• The graph increases at an increasing rate.

• The graph increases at a decreasing rate.

• The graph remains constant.

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How does the value of 'a' in an exponential function affect its graph when 'a' is less than zero?

• The graph will not cross the y-axis.

• The graph will be inverted.

• The graph will always be above the x-axis.

• The graph will always be below the x-axis.

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What is true about the graph of an exponential function when 'b' is greater than one?

• It oscillates between positive and negative values.

• It shows an increasing trend.

• It flattens out as x increases.

• It shows a decreasing trend.

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