c6195172 c6195172

25-10-2019
Mathematics

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What would the value of f(-3) be if f(x)=8x^2-4x^3-28? I forgot the exact process...

Respuesta :

jayaphmeowing jayaphmeowing

25-10-2019

The answer is 152.. I think

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sqdancefan sqdancefan

25-10-2019

Answer:

f(-3) = 152

Step-by-step explanation:

The "exact process" is ...

put -3 wherever x is found and do the arithmetic.

__

f(-3) = 8(-3)^2 -4(-3)^3 -28

= 8(9) -4(-27) -28

= 72 +108 -28

f(-3) = 152

Answer Link

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