anonymous
  • anonymous
***I will fan and medal. Please Help*** If you ever swam in a pool and your eyes began to sting and turn red, you felt the effects of an incorrect pH level. pH measures the concentration of hydronium ions and can be modeled by the function p(t) = −log10t. The variable t represents the amount of hydronium ions; p(t) gives the resulting pH level. Water at 25 degrees Celsius has a pH of 7. Anything that has a pH less than 7 is called acidic, a pH above 7 is basic, or alkaline. Seawater has a pH just more than 8, whereas lemonade has a pH of approximately 3.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
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.
anonymous
  • anonymous
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.
anonymous
  • anonymous
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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anonymous
  • anonymous
@ganeshie8 @phi @asyl98 @marrero @Elsa213 @SolomonZelman @LynFran @nincompoop @huntin14 @diamondswag @Vocaloid @ikram002p @Callisto @perl @rvc @zepdrix
anonymous
  • anonymous
@UsukiDoll
anonymous
  • anonymous
@butterflydreamer
anonymous
  • anonymous
@jigglypuff314
anonymous
  • anonymous
This is not Chemistry. This is Algebra 2
jigglypuff314
  • jigglypuff314
is -log10t a base 10 or log(10t) ?
anonymous
  • anonymous
base 10
jigglypuff314
  • jigglypuff314
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
anonymous
  • anonymous
Wait, it does not have base 10
jigglypuff314
  • jigglypuff314
welll it's not making much sense because I assume pH can't be negative >.>
anonymous
  • anonymous
I did the graph I think it is .20 for when y = 1 and 1 when y =0
anonymous
  • anonymous
.10*
jigglypuff314
  • jigglypuff314
mhmm that's what I got, but I'm not completely sure of myself
anonymous
  • anonymous
Ok, since both got the same. Can you help me with part 2 now please.
jigglypuff314
  • jigglypuff314
*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
jigglypuff314
  • jigglypuff314
*googles*
jigglypuff314
  • jigglypuff314
or they mean 0.5 = t solve for p(t)
jigglypuff314
  • jigglypuff314
aka look at x = 0.5 on the graph y = ?
anonymous
  • anonymous
y = 0.3
anonymous
  • anonymous
so is 7 = -log10(t+0.5) the function you are most positive with
jigglypuff314
  • jigglypuff314
nope
anonymous
  • anonymous
yea i just tried to graph it but it did not work
jigglypuff314
  • jigglypuff314
http://openstudy.com/study#/updates/5317df4ee4b0572ef0fc3957 https://www.wyzant.com/resources/answers/122231/if_you_ever_swam_in_a_pool_and_your_eyes_began_to_sting_and_turn_red_you_felt_the_effects_of_an_incorrect_ph_level_ph_measures_the_concentration_of_hydronium
jigglypuff314
  • jigglypuff314
sorry, I've gtg perhaps @chmvijay could help?
anonymous
  • anonymous
@chmvijay I need your help with number 2 please

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