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Mathematics 12 Online
OpenStudy (anonymous):

@zzr0ck3r

OpenStudy (anonymous):

OpenStudy (zzr0ck3r):

what is f(8)?

OpenStudy (zzr0ck3r):

ok we have two options if x is even we use f(x) = x if x is odd we use f(x) = 2x so what is f(8)?

OpenStudy (anonymous):

even= f(x)=x

OpenStudy (zzr0ck3r):

ok so what is f(8)?

OpenStudy (anonymous):

8?

OpenStudy (zzr0ck3r):

example if x = 2, then x is even so we use f(x)=x to find f(2) = 2 if x =3, then x is odd so we use f(x) = x to find f(3) = 2*3 = 6

OpenStudy (zzr0ck3r):

correct. what is f(9)?

OpenStudy (anonymous):

18

OpenStudy (zzr0ck3r):

typo fix example if x = 2, then x is even so we use f(x)=x to find f(2) = 2 if x =3, then x is odd so we use f(x) = 2x to find f(3) = 2*3 = 6

OpenStudy (zzr0ck3r):

so what is f(8) + f(9)?

OpenStudy (anonymous):

So it is 26.

OpenStudy (zzr0ck3r):

correct

OpenStudy (anonymous):

Might you help with a few more?

OpenStudy (zzr0ck3r):

sure

OpenStudy (anonymous):

OpenStudy (zzr0ck3r):

\[y=x^3+2\] switch the variables\[x=y^3+2\] solve for y

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