2024 AP Precalculus Free Response #1

Walkthrough of the 2024 AP Precalculus FRQ #1
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[@AllenTsaoSTEMCoach]

Corrections:
A) ii) I forgot x=0 is also a location where f(x)=1

[@charlesgorblek3077]

for a ii is it not also x=o?

[@charlesgorblek3077]

sorry 0

[@AllenTsaoSTEMCoach]

You're right. It's also at x=0

[@hannahnoelle11]

for c i and ii, they won’t give you credit if you just say the function passes the vertical line test. you need to say that each function has one input value for every output value

[@AllenTsaoSTEMCoach]

Thanks. I think that is what I wrote down or is there an issue with that answer you think?
And what would you consider the difference between what they want in i vs ii? Is simply "no" sufficient for c I?

[@hannahnoelle11]

@@AllenTsaoSTEMCoach yeah what you wrote is fine I just wanted to let other students know. my teacher said “no” is fine for c i

[@bbgkhoi7431]

⁠@@AllenTsaoSTEMCoachyour answer for c (I) could just be no then the response after no could be c(ii) .I had said it wasn’t a one -to -one function or that the inverse wouldn’t give a singular unique output value when you plug in one .