document.write( "Question 121511: The fromula A=30(0.46)^t describes the amount of ASA in a typical patient's bloodstream in mg/cm^3 in terms of the time t in hours after the peak dosage.Make a table of values and draw the graph of this function. Can someone please help me ??? \n" ); document.write( "
Algebra.Com's Answer #89156 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The formula A=30(0.46)^t describes the amount of ASA in a typical patient's bloodstream in mg/cm^3 in terms of the time t in hours after the peak dosage.Make a table of values and draw the graph of this function. \n" ); document.write( ": \n" ); document.write( "Let's make a table starting with t = 0 which is the peak dosage \n" ); document.write( ": \n" ); document.write( "In the formula substitute 0, for t and find the ASA \n" ); document.write( ": \n" ); document.write( "A = 30(.46)^0 \n" ); document.write( "We know that any number with an exponent of 0 is = 1, \n" ); document.write( "A = 30 * 1 \n" ); document.write( "A = 30, (which is what you would expect) \n" ); document.write( ": \n" ); document.write( "The first value in the table> (When t = 0; A = 20) \n" ); document.write( " t | A \n" ); document.write( "------- \n" ); document.write( " 0 | 30 \n" ); document.write( ": \n" ); document.write( "Find A when t = 1 \n" ); document.write( "A = 30(0.46)^1 \n" ); document.write( "A = 30 * 0.46 \n" ); document.write( "A = 13.8 \n" ); document.write( "Continuing our table ( When t = 1; A = 13.8) \n" ); document.write( " t | A \n" ); document.write( "------- \n" ); document.write( " 0 | 30 \n" ); document.write( " 1 | 13.8 \n" ); document.write( ": \n" ); document.write( "Find A when t = 2 \n" ); document.write( "A = 30(0.46)^2 \n" ); document.write( "A = 30 * .2116; found (.46^2 with a calculator) \n" ); document.write( "A = 6.348 \n" ); document.write( "Continuing our table \n" ); document.write( " t | A \n" ); document.write( "------- \n" ); document.write( " 0 | 30 \n" ); document.write( " 1 | 13.8 \n" ); document.write( " 2 | 6.348 \n" ); document.write( ": \n" ); document.write( "You should be getting the idea, I going to jump to when t = 6 hrs \n" ); document.write( "You can fill in the values for 3, 4, 5, just like we just did; \n" ); document.write( ": \n" ); document.write( "A = 30(0.46)^6 \n" ); document.write( "A = 30 * .0095 (.46^6 on a calculator again) \n" ); document.write( "A = .284, almost gone, would you say?) \n" ); document.write( " t | A \n" ); document.write( "------- \n" ); document.write( " 0 | 30 \n" ); document.write( " 1 | 13.8 \n" ); document.write( " 2 | 6.348 \n" ); document.write( " 3 |_____ \n" ); document.write( " 4 |_____ \n" ); document.write( " 5 |_____ \n" ); document.write( " 6 | .284 \n" ); document.write( ": \n" ); document.write( "They want you to graph these values. Everything is positive \n" ); document.write( "Let y axis be A and the x axis be t \n" ); document.write( ": \n" ); document.write( "The scale will be y: 0 to 32, x: 0 to 8 \n" ); document.write( ": \n" ); document.write( "If you plot the above values as x/y coordinates, your graph should look like this \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "By looking at this graph you can see approximately what amt is left in the bloodstream after so many hrs. \n" ); document.write( "Check to see if it agrees with the values you calculated for 3, 4 and 5. \n" ); document.write( ": \n" ); document.write( "Did I explain this so you know what's going on here? Let me know. \n" ); document.write( ": \n" ); document.write( "So sorry about this mistake, it changed things though out the problem, please \n" ); document.write( "check everything again. A\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |