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1. Create a graph of the pH function either by hand or using technology. Locate on your graph where the pH value is 0 and where it is 1. You may need to zoom in on your graph.
2. The pool maintenance man forgot to bring his logarithmic charts, and he needs to raise the amount of hydronium ions, t, in the pool by 0.50. To do this, he can use the graph you created. Use your graph to find the pH level if the amount of hydronium ions is raised to 0.50. Then, convert the logarithmic function into an exponential function using y for the pH.
3. The pool company developed new chemicals that transform the pH scale. Using the pH function p(t) = −log10t as the parent function, explain which transformation results in a y-intercept and why. You may graph by hand or using technology. Use complete sentences and show all translations on your graph. p(t) + 1 p(t + 1) −1 • p(t)
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This is not Chemistry. This is Algebra 2
is -log10t a base 10 or log(10t) ?
https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&es_th=1&ie=UTF-8#q=y+%3D+-log(x) what is x when y = 1 what is x when y = 0
Wait, it does not have base 10
welll it's not making much sense because I assume pH can't be negative >.>
I did the graph I think it is .20 for when y = 1 and 1 when y =0
mhmm that's what I got, but I'm not completely sure of myself
Ok, since both got the same. Can you help me with part 2 now please.
*scratches head* water pH = 7 7 = -log10t find t ? but he has to raise t by 0.5 so 7 = -log10(t+0.5) perhaps
or they mean 0.5 = t solve for p(t)
aka look at x = 0.5 on the graph y = ?
y = 0.3
so is 7 = -log10(t+0.5) the function you are most positive with
yea i just tried to graph it but it did not work
sorry, I've gtg perhaps @chmvijay could help?
@chmvijay I need your help with number 2 please