BCCCMAT 128 Summer 2020 Professor: Ray Orocco-John Student’s Name: ________________________________________________ Test #4 Show all work. Answers without adequate justification will not receive full credit. Solve problems algebraically whenever possible. Simplify to the lowest terms and underline all final answers. 1) (6pts) Match the graphs with the equations. y = 3x Letter _________ E F y = (0.4) x Letter _________ D C B y=e x […]

Let ri, r2 be the roots (real and distinct) of the characteristic equation of the homogeneous differential equation ay” + by’ + cy= 0 Write yı(t) and y2(t) i.e. the fundamental solutions in terms of rı, r2 respectively (yı(t) corre- sponding to rı). Find limt++20 yı(t) and limt7+ y2(t) for the following scenarios: (a) a,b,c > 0 (b) a,c> 0 and b < 0 (c) […]

According to the National Center for Health Statistics, the mean height of an American male is 69.3 inches and the mean height of an American female is 63.8 inches. The standard deviation for both genders is 2.7 inches. Assuming that heights among a single gender are normally distributed. Find the z-score for your height in inches using the mean of your own gender and then […]

01hr55mins X Chapter 4 Review Quiz_On-line Score: 0/26 0/26 answered Done 6 Vo : Question 7 B0/1 pt 53 Details Find the logarithm. log10 (10, 000) Submit Question Chapter 4 Review Quiz_On-line 1hr55mins x Score: 0/26 0/26 answered Done 6 Vo : Question 8 < > B0/1 pt 5 3 0 Details Evaluate the following expressions. Your answers must be exact and in simplest form. […]

0 1hr54mins X Chapter 4 Review Quiz_On-line Score: 0/26 0/26 answered Done 6 Vo : Question 12 < > 0/1 pt 53 0 Details Convert the equation f(t) = 384(0.87) to the form f(t) = aekt a = k = Give values accurate to three decimal places Submit Question Chapter 4 Review Quiz_On-line 01hr54mins X Score: 0/26 0/26 answered Done 6 Vo : Question 13 […]

Chapter 4 Review Quiz_On-line 0 1hr52mins X Score: 0/26 0/26 answered Done 6 Vo : Question 18 B0/1 pt 53 Details The equation y = log(x + 1) has a vertical asymptote at: X = Submit Question © 1hr53mins X Chapter 4 Review Quiz_On-line Score: 0/26 0/26 answered Done 6 Vo : Question 17 B0/1 pt 53 Details Solve for x: log(x + 4) – […]

Chapter 4 Review Quiz_On-line 0 1hr52mins X Score: 0/26 0/26 answered Done 6 VO Question 22 > B0/1 pt 53 Details A wooden artifact from an ancient tomb contains 40 percent of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (The half- life of carbon-14 is 5730 years.) years. Submit Question Chapter 4 Review […]

1Logic Logic is, basically, the study of valid reasoning. When searching the internet, we use Boolean logic – terms like “and” and “or” – to help us find specific web pages that fit in the sets we are interested in. After exploring this form of logic, we will look at logical arguments and how we can determine the validity of a claim. Boolean Logic We […]

find the area and answer questions. Find the approximate area under the curve by dividing the intervals into n subintervals and then adding up the areas of the inscribed rectangles. The height of each rectangle may be found by evaluating the function for each value of x. Your instructor will assign you n 1and n 2. n1=6 n2=12 y = 2 x x 2 + […]

Algebra Questions1. 5x + 3 = 7x – 1. Find x a. 1/3 b. ½ c. 1 d. 2 2. 5x + 2(x + 7) = 14x – 7. Find x a. 1 b. 2 c. 3 d. 4 3. 12t – 10 = 14t + 2. Find t a. -6 b. -4 c. 4 d. 6 4. 5(z + 1) = 3(z + 2) […]