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Marie
Marie asked in Science & MathematicsMathematics · 4 years ago

Can you please help me with this pre calculus problem?

If f(x) = 3x=+8 / 2x - A and f(0) = 2 what is the Value of A?

So far I did this

f(0) = 3(0)+8 / 2(0) - A

2 = 8/-A

I KNOW the answer is A = -4 but am unsure of how to show the work since my last math class was two years ago. How do you show the work and solve for 2 = 8/-A? Do you multiply both sides of the equation by -A over 1???

2 Answers

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  • Mike G
    Lv 7
    4 years ago

    2=8/-A

    2A = -8

    A = -4

  • Cosmini
    Lv 7
    4 years ago

    wtf? why would anyone need to use this ****? omg this is hell

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