The amount of medicine administered was 150 150 mg since Q0150070 150

# The amount of medicine administered was 150 150 mg

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The amount of medicine administered was 150 150 mg, since Q(0)=150(0.70) 0 =150 Q(0)=150(0.70)0=150. The hourly decay rate is 30%. 30%. Question 15 0 / 1.66 pts Suppose that a town had a population of 12,500 in 2008 and the population has been growing at a constant rate of 4% per year since that time. Choose the expression that best represents the population in the year 2013.

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V=12500(1.05) 4 V=12500(1.05)4 V=12500(0.95) 4 V=12500(0.95)4 You Answered V=12500(0.96) 5 V=12500(0.96)5 Correct Answer V=12500(1.04) 5 V=12500(1.04)5 V=50000(1.05) 4 V=50000(1.05)4 The annual growth rate is 4% 4%. The correct exponential equation has the form Q=12500(1.04) t , Q=12500(1.04)t, where 12500 12500 is the initial population (in 2008) and t t is the number of years since 2008. For this example, t=5 t=5. Quiz Score: 18.35 out of 25
Lesson 1 Quiz Attempts 2 and 3 Due Sep 5 at 11:59pm Points 15 Questions 15 Available Aug 19 at 12am - Sep 6 at 3am 18 days Time Limit 75 Minutes Allowed Attempts 2 Take the Quiz Again Attempt History Attempt Time Score LATEST Attempt 1 55 minutes 9 out of 15 Score for this attempt: 9 out of 15 Submitted Sep 5 at 1:20pm This attempt took 55 minutes. Question 1 1 / 1 pts Let Q(t) be the quantity of caffeine in the body in milligrams (mg) t hours after finishing a cup of coffee. Choose the statement that gives the best represents the expression Q(3) = 90.

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3 days after drinking a coffee, 90 mg of caffeine remain in the body. 3 minutes after drinking a coffee, 90 mg of caffeine remain in the body. 90 minutes after drinking a coffee, 3 mg of caffeine remain in the body. 90 hours after drinking a coffee, 3 mg of caffeine remain in the body. Correct! 3 hours after drinking a coffee, 90 mg of caffeine remain in the body. correct 3 hours after drinking a coffee, 90 mg of caffeine remain in the body. Question 2 1 / 1 pts Find the equation for the line with slope m=-1 passing through the point (−12,−2).
Correct! correct Question 3 0 / 1 pts Which of the following tables give a linear relationship between t and w? I. correct t 1 3 5 7 w 2 1 0 -1 II. t 1 2 3 4 w 2 3 5 8 III. t 1 2 3 4 w 1 4 9 16 Correct Answer I. only. None are linear. II. and III. only. You Answered III. only.

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All are linear. In I. the relationship is linear. In II. and III. the relationships are not linear. In both cases, the rate of change of is increasing. Question 4 1 / 1 pts Let f(x)=x−1x+1. Calculate f(a+1). Correct! correct Plug in and simplify. Question 5 1 / 1 pts
Calculate the average rate of change of f(x)=x2+1 on the interval [1,4]. Correct! correct 5 The average rate of change of over the interval is Question 6 1 / 1 pts Find the relative change of the quantity T if T changes from 0.7 to 0.05. Reminder: calculator can be used on quizzes if needed. approx -13.0 approx -0.29 approx 1.30

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Correct! correct approx -0.93 approx 0.48 The relative change in is , where is the new value of and is the previous value of . We have Question 7 0 / 1 pts The table below shows the average weight of an NFL offensive guard (in lbs) as a function of the year.

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