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Mathematics 9 Online
OpenStudy (anonymous):

Help Please. Will medal Let f(x)=2x^2+2. Find each of the folowing a.f(-3) b.f(6) c.f(-1) d.f(4)

OpenStudy (crashonce):

when it says f(x) you substitute x for whats in the brackets so for part a swap all x with -3 what do you get?

OpenStudy (anonymous):

f(-3)?

OpenStudy (crashonce):

yes so substitute x = -3 into the equation

OpenStudy (anonymous):

Oh of thank you

OpenStudy (crashonce):

2(-3)^2+2 etc

OpenStudy (anonymous):

Thank you

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