The semistrong form of the efficient market hypothesis maintains that: 

(06.04 MC) The function f(x) = 40x + 8 represents the amount of money Makayla earns reupholstering furniture. The function g(x) = 3x − 4 represents her upfront costs. Find (f – g)(4) to determine how much profit she will make from four pieces of furniture.

(06.04 LC) Choose the correct simplification of 9×2(4x + 2×2 − 1).

(07.01, 07.02 MC) Factor the greatest common factor: 9a4b3 + 24a3b2 − 15a2b.

(07.04 LC) A binomial has been partially factored, as shown below: x2 − 36 = (x + 6)(_____) Which of the following binomials represents the missing factor?

(06.05 LC) Mary paints wooden signs and sells them at craft fairs. The function s(t) approximates how many signs Mary paints per hour. The function w(h) represents how many hours per week Mary spends painting the wooden signs. What are the units of measurement for the composite function s(w(h))?

(05.07 HC) A student is assessing the correlation between the number of workers in a factory and the number of units produced daily. The table shows the data: Number of workers(x) 0 10 20 30 40 50 60 70 80 90 Number of units(y) 2 52 102 152 202 252 302 352 402 452 Part A: Is there any correlation between the number of workers in a factory and the number of units produced daily? Justify your answer. (4 points) Part B: Write a function that best fits the data. (3 points) Part C: What does the slope and y-intercept of the plot indicate? (3 points)

(05.07 HC) A manager is assessing the correlation between the number of employees in a plant and the number of products produced yearly. The table shows the data: Number of employees(x) 0 25 50 75 100 125 150 175 200 Number of products(y) 10 160 310 460 610 760 910 1060 1210 Part A: Is there any correlation between the number of employees in the plant and the number of products produced yearly? Justify your answer. (4 points) Part B: Write a function that best fits the data. (3 points) Part C: What does the slope and y-intercept of the plot indicate? (3 points)

(07.04 MC) Identify the factors of x2 + 36y2.

(05.05 MC) A food truck did a daily survey of customers to find their food preferences. The data is partially entered in the frequency table. Complete the table to analyze the data and answer the questions:   Likes hamburgers Does not like hamburgers Total Likes burritos 29 41   Does not like burritos   54 135 Total 110   205 Part A: What percentage of the survey respondents do not like both hamburgers and burritos? (2 points) Part B: What is the marginal relative frequency of all customers that like hamburgers? (3 points) Part C: Use the conditional relative frequencies to determine which data point has strongest association of its two factors. Use complete sentences to explain your answer. (5 points)