Scelta multipla
Determine if the function is an exponential function.
If so, identify the power & base, then evaluate for .
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6. Exponential and Logarithmic Functions
Introduction to Exponential Functions
Scelta multipla
Determine if the function is an exponential function.
If so, identify the power & base, then evaluate for .
A
Exponential function,
B
Exponential function,
C
Not an exponential function
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Identify the general form of an exponential function, which is f(x) = a * b^x, where a is a constant, b is the base, and x is the exponent.
Examine the given function f(x) = (1/2)^x. Notice that it matches the form of an exponential function with a = 1 and b = 1/2.
Since the function is in the form f(x) = b^x, it is indeed an exponential function. Here, the base b is 1/2.
To evaluate the function at x = 4, substitute x with 4 in the function: f(4) = (1/2)^4.
Calculate (1/2)^4 by multiplying 1/2 by itself four times: (1/2) * (1/2) * (1/2) * (1/2).
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