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lilavasa [31]
3 years ago
7

Use complete sentences to explain the process of converting a logarithmic equation to its equivalent exponential form to obtain

solutions to the graph of the logarithmic equation.
Mathematics
2 answers:
aalyn [17]3 years ago
7 0

Answer:

To convert a logarithmic equation to its equivalent exponential form : We must first state the definition of log :

For x > 0 and b > 0 , b ≠ 1 ,

y=\log _b x\text{ is equivalent to }b^y=x

Now, follow these steps to convert logarithmic to exponential function :

  1. To change from logarithmic form to exponential form, first identify the base of the logarithmic equation.
  2. Now, After moving the base the current variable or number changes to the exponent.
  3. Do not move anything but only the bases so that the other number or variables will not change sides .
  4. Hence, The log function will be removed.
DanielleElmas [232]3 years ago
5 0
Knowing that logarithm functions and exponential functions are inverse to each other, the procees to convert a logarithmic equation to its equivalent is to perform all the operations to set an equation of the typ:

 log _{b}x = y,

 then invert to show it equivalent form:

 x= b^{y}.

With that you have solved the equation for x.
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8- 5 (a + b) + 3 (a - 2b)
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Answer: 8-2a-11b

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7 0
3 years ago
Find its inverse and check your answer. (b) Find the domain and the range of f and
ElenaW [278]

We have the function:

f(x) = 3x / (x + 7)

(a)

We rename the function as: f(x) = y

Then:

y = 3x / (x + 7)

Taking the inverse:

1/y = (x + 7) / 3x

1/y = x/3x + 7/3x

1/y = 1/3 + 7/3x

Solving for x:

1/y - 1/3 = 7/3x

1/x = 3/7y - 1/7 = (3 - y) / 7y

Taking the inverse:

x = 7y / (3 - y)

Then, the inverse function of f is:

f ⁻¹(x) = 7x / (3 - x)

(b)

We know that the division by 0 is undefined in real numbers. From the function f, we have a division by 0 if x = -7, so the domain should be:

Dom_f = {x| x ≠ -7}

For the range, we know that x = -7 is a vertical asymptote of the function f, so this means that the graph never passes across x = -7, but it tends to it on infinity. Then, the range of f is:

Ran_f = All the real numbers

For f ⁻¹(x), we see that for x = 3 there is a division by 0, so this is an asymptote of the function. Then, the domain of f ⁻¹ is:

Dom_f ⁻¹ = {x| x ≠ 3}

Again, as there is an asymptote, the range is:

Ran_f ⁻¹ = All the real numbers

7 0
1 year ago
Marge is twice as old as Consuelo. The sum of their ages seven years ago was 13. How old are they now?
Trava [24]
Merge is 18.
Conseulo is 9
7 0
4 years ago
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What is the value of the constant in the expression?<br> 2x2 + 3x - y - 18 + 7y2
Virty [35]
I think it’s 3x

Hope it helps
8 0
4 years ago
Please help last one today
murzikaleks [220]
7 28/30 is the answer
4 0
3 years ago
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