Precalculus PF Accessibility

[siwelwerd]

Addresses #898. Converts images in PF module to Prefigure

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• source/precalculus/source/07-PF/01.ptx: https://8436599a.tbil.pages.dev/preview/precalculus/PF1.html
• source/precalculus/source/meta/graphs.ptx: https://8436599a.tbil.pages.dev/preview/precalculus/graphs-of-common-functions.html

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• source/precalculus/source/07-PF/01.ptx: https://80a10de7.tbil.pages.dev/preview/precalculus/PF1.html
• source/precalculus/source/07-PF/02.ptx: https://80a10de7.tbil.pages.dev/preview/precalculus/PF2.html
• source/precalculus/source/meta/graphs.ptx: https://80a10de7.tbil.pages.dev/preview/precalculus/graphs-of-common-functions.html

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• source/precalculus: https://2ee4ecd2.tbil.pages.dev/preview/precalculus
• source/precalculus/source/07-PF/01.ptx: https://2ee4ecd2.tbil.pages.dev/preview/precalculus/PF1.html
• source/precalculus/source/07-PF/02.ptx: https://2ee4ecd2.tbil.pages.dev/preview/precalculus/PF2.html
• source/precalculus/source/07-PF/03.ptx: https://2ee4ecd2.tbil.pages.dev/preview/precalculus/PF3.html
• source/precalculus/source/meta/graphs.ptx: https://2ee4ecd2.tbil.pages.dev/preview/precalculus/graphs-of-common-functions.html

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• source/precalculus/source/07-PF/01.ptx: https://61fa890c.tbil.pages.dev/preview/precalculus/PF1.html
• source/precalculus/source/07-PF/02.ptx: https://61fa890c.tbil.pages.dev/preview/precalculus/PF2.html
• source/precalculus/source/07-PF/03.ptx: https://61fa890c.tbil.pages.dev/preview/precalculus/PF3.html
• source/precalculus/source/meta/graphs.ptx: https://61fa890c.tbil.pages.dev/preview/precalculus/graphs-of-common-functions.html

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• source/precalculus/source/07-PF/01.ptx: https://b107fe65.tbil.pages.dev/preview/precalculus/PF1.html
• source/precalculus/source/07-PF/02.ptx: https://b107fe65.tbil.pages.dev/preview/precalculus/PF2.html
• source/precalculus/source/07-PF/03.ptx: https://b107fe65.tbil.pages.dev/preview/precalculus/PF3.html
• source/precalculus/source/meta/graphs.ptx: https://b107fe65.tbil.pages.dev/preview/precalculus/graphs-of-common-functions.html

[tdegeorge]

I know nothing about how to do this, but just wondering if you are able to change what is said? Like, instead of "minus 2 pi" is there a way to have it say "negative 2 pi"?

[tdegeorge]

[Activity 7.1.10
https://8436599a.tbil.pages.dev/preview/precalculus/PF1#activity-sine-phase-shift-1](url) - part b choice D does not have the accessibility feature (it doesn't talk to me! :))

[tdegeorge]

Not a part of this pull request, but since we are here....

I believe the hint in part d of Activity 7.2.17 [Activity 7.2.17
https://80a10de7.tbil.pages.dev/preview/precalculus/PF2#PF2-3-13](url) should just say the zeros (and not asymptotes)

[tdegeorge]

In [Activity 7.3.5
https://2ee4ecd2.tbil.pages.dev/preview/precalculus/PF3#PF3-3-6](url), answer choice B: although it shows it is supposed to say "negative pi over 2" it doesn't actually say it....and the same is true for choice D.

[tdegeorge]

I am not sure why, but for multiple graphs in section PF3, I am not seeing the full graph within the given domains. Or it doesn't show the entire graph - like I can see the points, but they are not connected (see image). I don't know if it is just my computer but thought I should mention it.

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• source/precalculus/source/07-PF/02.ptx: https://eb174895.tbil.pages.dev/preview/precalculus/PF2.html
• source/precalculus/source/07-PF/03.ptx: https://eb174895.tbil.pages.dev/preview/precalculus/PF3.html

[siwelwerd]

I am not sure why, but for multiple graphs in section PF3, I am not seeing the full graph within the given domains. Or it doesn't show the entire graph - like I can see the points, but they are not connected (see image).

I also see this, I suspect there is a PreTeXt bug and have inquired on the listserv.

[siwelwerd]

I know nothing about how to do this, but just wondering if you are able to change what is said? Like, instead of "minus 2 pi" is there a way to have it say "negative 2 pi"?

I have inquired to see if there is a way to change this systematically. Otherwise, we will have to go through all of the annotations everywhere and change "-2" to "negative 2"

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• source/precalculus: https://d4b00da8.tbil.pages.dev/preview/precalculus
• source/precalculus/source/07-PF/01.ptx: https://d4b00da8.tbil.pages.dev/preview/precalculus/PF1.html
• source/precalculus/source/07-PF/02.ptx: https://d4b00da8.tbil.pages.dev/preview/precalculus/PF2.html
• source/precalculus/source/07-PF/03.ptx: https://d4b00da8.tbil.pages.dev/preview/precalculus/PF3.html

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• source/precalculus/source/07-PF/02.ptx: https://661591a3.tbil.pages.dev/preview/precalculus/PF2.html
• source/precalculus/source/07-PF/03.ptx: https://661591a3.tbil.pages.dev/preview/precalculus/PF3.html