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Tju [1.3M]
3 years ago
6

Rewrite each equation as a system of equations excluding the value(s) of xx that lead to a denominator of zero. Then, solve the

equation for xx.
a. 25x=1/x
b. 1/5x=10
Mathematics
1 answer:
Basile [38]3 years ago
5 0

Answer:

a.x=1/5

b.x=1/50

Step-by-step explanation:

a.

Given data in the question:-

25x=1/x

To find the value of x.

Solution:-

25x=1/x\\25x^2=1\\x^2=1/25\\x=\sqrt{1/25}\\ x=1/5

b.

Given data in the question:-

1/5x=10

We have to find the value of x.

Solution:-

1/5x=10\\1/(5*10)=x\\1/50=x

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Answer: fourth option

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Explanation:

1) the pair x = 3 f(x) = 0, leads you to probe this:

f(3) = 0 = A [4 ^ (3 - 1) ] + C = 0

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if A = 1/4

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That leads you to the function f(x) = [1/4] 4 ^( x - 1) - 4

2) Now you verify the images for that function for all the x-values of the table:

x = 2 => f(2) + [1/4] 4 ^ (2 - 1) - 4 = [1/4] 4 - 4 = 4 / 4 - 4 = 1 - 4 = - 3 => check

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