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douglas12

Find the domain of f(x)^-1 if f(x)=4x-8 A. x≠ 1/4 B. x≠ -4 C. x≠ 0 D. All real numbers

  • 9 months ago
  • 9 months ago

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  1. campbell_st
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    well 1st you need to find the inverse so swap x and y so you are looking at x = 4y- 8 make y the subject, then you'll be able to consider the domain of the inverse.

    • 9 months ago
  2. douglas12
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    Is it B

    • 9 months ago
  3. campbell_st
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    whats the inverse function..?

    • 9 months ago
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