myopenMath Home | My Classes . | User Settings | Log Out Kevin NGUYEN {} Course Calendar Gradebook Home > Precalculus Math 260 Spring 2023 > Assessment 6.7: Practice Progress saved Done Score: 0/100 0/10 answered . Question 2 0/10 pts 9 3 # 3 0 Details The half-life of Radium-226 is 1590 years. If a sample contains 400 mg, how many mg will remain after 3000 years? mg Give your answer accurate to at least 2 decimal places. Question Help: Video 1 Video 2 Submit QuestionHome is Math 260 Spring 2023 > Assessment 6.4: Practice Progress saved Done Score: 125/170 11/17 answered Question 6 0/10 pts 3 # 4 0 Details Write an expression, of the type A log(x + B) or A log(-(x+B)), for the transformed logarithmic function shown below: -5 -4 f(I) = Hint: Use the vertical asymptote to find B. To solve for A, use a point on the graph and substitute the coordinates into: y = A log(x + B) or y = A log(-(x+B)), as appropriate. Submit QuestionEnlarged Graph [X] 4 -6 -5 -4 -3 -1 -2 -3 -4 CloseThe half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 1000 years? Question Help: Video 1 Video 2 Submit QuestionP( 4 ) = 1/ 4 PC + ) = a(5 ) D PO a(b) Watch on YouTube P(t) = Poek The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was the initial mass (in mg) of the sample? What is the mass 6 weeks after the start? Question Help: Video 1 Video 2 Submit QuestionWatch on 'fnulllbn A bank features a savings account that has an annual percentage rate of? = 4.256 with interest compounded Quarterly. Blake deposits 56,500 into the account. 1!\" t The account balance can be modeled by the exponential formula SH] 2 P(1 + ) , where S is the 1'1 future value, P is the present value, 1" is the annual percentage rate written as a decimal, nis the number of times each year that the interest is compounded, and t is the time in years. {A} What values should be used for P, r, and n? . n=| P=|i . r=| (B) How much money will Blake have in the account in Syears? Answer = $| I. Round answer to the nearest penny. Question Help: [E] Video Calendar Gradebook Home 2 F'recalcull Math 260 Spring 2023 > Assessment 6.7: Practice Score: 02'100 0:10 answered Progress saved Done El 15' . Question 3 V E (mu pts 0 3 $3 3 G) Details The haLf-Life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced to a mass of 7 mg. What was the initial mass (in mg] of the sample?| I What is the mass [in mg) 7 weeks after the start?| I You may enter the exact vaLue or round to 4 decimal places. Question Help: [El Video Submit Question Home ,5 Fi'ecalculus Math 260 Spring 2023 2 Assessment 6.7: Practice Progress saved Done a \"(5' Score: OMOD 4.-"1O answered . Question 1 V E 0MB pts '0 3 C3 3 G) Details You go to the doctor and he gives you 17 milligrams of radioactive dye. After 24 minutes, 4.?5 milligrams of dye remain in your system. To leave the doctor's office, you must pass through a radiation detector without sounding the alarm. If the detector will sound the alarm if more than 2 milligrams of the dye are in your system, how long will your visit to the doctor take, assuming you were given the dye as soon as you arrived? Give your answer to the nearest minute. You will spend[ minutes at the doctor's office. Question Help: [B Video Submit