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MrRissso [65]
2 years ago
15

Given f(x)=3x^3+2x+k and x+1 is a factor of f(x) then what is the value of k

Mathematics
1 answer:
yaroslaw [1]2 years ago
3 0

Answer:

k = 5

Step-by-step explanation:

Given that (x + 1) is a factor of f(x) then f(- 1) = 0

f(- 1) = 3(- 1)³ + 2(- 1) + k

      = 3(- 1) - 2 + k

     = - 3 - 2 + k

    = - 5 + k

Then - 5 + k = 0 ( add 5 to both sides )

k = 5

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3 years ago
On Saturday, the Gomez family left home to a resort in Maine. The drove at an average rate of 48 mph. ON Thursday they went back
tankabanditka [31]
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3 years ago
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3 0
3 years ago
Solve for x give answer as radicals (roots)
skelet666 [1.2K]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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jonny [76]

Answer:

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Step-by-step explanation:

=> 0.029646

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7 0
2 years ago
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