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Mathematics 8 Online
OpenStudy (anonymous):

Can someone please help me with a question for a medal and fan?

OpenStudy (anonymous):

Functions 1 and 2 are shown below: Function 1: f(x) = −3x2 + 2

OpenStudy (anonymous):

hich function has a larger maximum? Type your answer as 1 or 2

geerky42 (geerky42):

f(x) is biggest at x=0, right?

geerky42 (geerky42):

So f(0) = 2. biggest value of f(x) is 2. What about second function?

OpenStudy (anonymous):

4?

OpenStudy (jdoe0001):

what's the maximum for the 1st one anyway?

OpenStudy (anonymous):

2 right?

OpenStudy (jdoe0001):

well... dunno... how did you get 2 though?

OpenStudy (jdoe0001):

how are you meant to find the maximum anyway? by just graphing? are you expected to use a calculator? or just a table of values?

OpenStudy (anonymous):

I'm really not sure. I'm so confused by this question

OpenStudy (jdoe0001):

well... so... what chapter section is this meant to be covering then?

OpenStudy (jdoe0001):

you could get it by several ways but if you have not covered the material yet... you may want to do that firstly

OpenStudy (anonymous):

No, I did. It's just that I don't understand it

OpenStudy (jdoe0001):

ok... so.. what was the section about though? graphing? how are you expected to find it? which method?

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