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mathematical function exponential equation. Where a0 and a is not equal to 1. It is often necessary to use a logarithm when solving an exponential equation.
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If the variable is negative the function is undefined for -1 x 1. To find a point on the graph select an input value and calculate the output value. In other words when an exponential equation has the same base on each side the exponents must be equal.
If b b is any number such that b 0 b 0 and b 1 b 1 then an exponential function is a function in the form f x bx f x b x where b b is called the base and x x can be any real number.
The best way to graph exponential functions is to find a few points on the graph and to sketch the graph based on these points. Recall that the one-to-one property of exponential functions tells us that for any real numbers and where if and only if. For example consider the equation 256 4x 5. Y2 x y2x That equation is read as y equals 2 to the x power So remind me what an exponent is.
