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Multiple Choice
Use a calculator to evaluate the following exponential expression. Round to two decimal places.
A
3.75
B
27
C
14.75
D
729
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Verified step by step guidance
1
Identify the exponential function you need to evaluate. An exponential function generally has the form \(f(x) = a^{x}\), where \(a\) is the base and \(x\) is the exponent.
Determine the value of \(x\) for which you need to evaluate the function. This value is usually given in the problem or part of the practice exercise.
Substitute the given value of \(x\) into the exponential function. This means replacing every occurrence of \(x\) in the expression \(a^{x}\) with the given number.
Apply the exponentiation rule by calculating \(a\) raised to the power of the substituted value. Remember that exponentiation means multiplying the base \(a\) by itself \(x\) times.
Simplify the expression to get the final value of the exponential function at the given \(x\). This might involve calculating powers or using a calculator if the numbers are large or not integers.