Questions: Change each equation to its equivalent logarithmic form. (a) 9^(4z) = 4 (b) e^z = 6 (c) c^Z = f (a) Find the equivalent equation for 9^(4z) = 4.

Change each equation to its equivalent logarithmic form.
(a) 9^(4z) = 4
(b) e^z = 6
(c) c^Z = f
(a) Find the equivalent equation for 9^(4z) = 4.
Transcript text: Change each equation to its equivalent logarithmic form. (a) $9^{4 z}=4$ (b) $e^{z}=6$ (c) $\mathrm{c}^{\mathrm{Z}}=\mathrm{f}$ (a) Find the equivalent equation for $9^{4 z}=4$.
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Solution

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Solution Steps

To convert an exponential equation to its equivalent logarithmic form, we use the property that if \( a^b = c \), then the equivalent logarithmic form is \( \log_a(c) = b \). We will apply this property to each of the given equations.

Step 1: Convert \( 9^{4z} = 4 \) to Logarithmic Form

Using the property of logarithms, we can rewrite the equation \( 9^{4z} = 4 \) in logarithmic form as follows: \[ \log_{9}(4) = 4z \]

Step 2: Convert \( e^{z} = 6 \) to Logarithmic Form

For the equation \( e^{z} = 6 \), we apply the same logarithmic property: \[ \log_{e}(6) = z \] This can also be expressed as: \[ z = \ln(6) \]

Step 3: Convert \( c^{Z} = f \) to Logarithmic Form

Finally, for the equation \( c^{Z} = f \), we convert it to logarithmic form: \[ \log_{c}(f) = Z \]

Final Answer

The equivalent logarithmic forms are:

  1. \( \log_{9}(4) = 4z \)
  2. \( z = \ln(6) \)
  3. \( \log_{c}(f) = Z \)

Thus, the answers are: \[ \boxed{\log_{9}(4) = 4z, \quad z = \ln(6), \quad \log_{c}(f) = Z} \]

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