Asked by rudy

i am wondering if the following answer to my math problem is correct

f(x)=x^3-4x-2 [2,3]

the answer i put was f(20<o and f(3)>0
Answered by drwls
What is the meaning of the [2,3] after the definiton of f(x) ?

f(3) = 27 -12 -2 = 13

Why are you calculating f(20) ?
Answered by lucy
what are prime numbers
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