please help not sure how to get answer provided | Mathematics | Page 1

rough pulsar Nov 20, 2022, 5:51 PM

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not sure how to do this. i made an attempt on a and checked but answer completely different from what i put

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no idea how this was achieved

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please help not sure how to get answer provided

viscid eagle Nov 20, 2022, 6:06 PM

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solve for r

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$3r+2t=18$

rose condorBOT Nov 20, 2022, 6:06 PM

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Yabadab

viscid eagle Nov 20, 2022, 6:06 PM

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$3r=18-2t$

rose condorBOT Nov 20, 2022, 6:06 PM

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Yabadab

viscid eagle Nov 20, 2022, 6:07 PM

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$r=\frac{18}{3}-\frac{2}{3}t$

rose condorBOT Nov 20, 2022, 6:07 PM

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Yabadab

viscid eagle Nov 20, 2022, 6:07 PM

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$r=6-\frac{2}{3}t$

rose condorBOT Nov 20, 2022, 6:07 PM

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Yabadab

viscid eagle Nov 20, 2022, 6:07 PM

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replace r with f(t)

rough pulsar Nov 20, 2022, 6:09 PM

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so then f(t) = that ^

viscid eagle Nov 20, 2022, 6:09 PM

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yes

rough pulsar Nov 20, 2022, 6:10 PM

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thank you i think i understand now how you did that

viscid eagle Nov 20, 2022, 6:11 PM

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no problem

rough pulsar Nov 20, 2022, 6:13 PM

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part b im confused on am i substituting both r and t with -3?

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@viscid eagle could you explain b to me please and c?

viscid eagle Nov 20, 2022, 6:42 PM

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for b just change t with -3

rough pulsar Nov 20, 2022, 6:45 PM

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yup i figured that one out actually

#please help not sure how to get answer provided