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Rudik [331]
3 years ago
6

Express 4x^2-25 as a product of two binomials.

Mathematics
2 answers:
Ede4ka [16]3 years ago
8 0
4x^2-25=(2x)^2-5^2=(2x-5)(2x+5)
Andrei [34K]3 years ago
5 0

4x^2-25= (2x)^2-5^2=(2x-5)(2x+5)

Used: a^2-b^2=(a+b)(a-b)

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Step-by-step explanation:

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3 years ago
Write the inverse function for the function, ƒ(x) = x + 4. Then, find the value of ƒ -1(4). Type your answers in the box.
lesya [120]

The inverse is:

f^{-1}(x) = x-4

Further explanation:

Given function

f(x) = x+4

<u>Step 1: Replacing f(x) with y</u>

y = x+4

<u>Step 2: Replacing x with y and y with x</u>

x = y+4

<u>Step 3: Solving the equation for y</u>

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<u>Step 4: Replacing y with f-1(x)</u>

f^{-1}(x) = x-4

So, the inverse is:

f^{-1}(x) = x-4

Keywords: Functions, Inverse of function

Learn more about inverse of functions at:

  • brainly.com/question/3225044
  • brainly.com/question/4620451

#LearnwithBrainly

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