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Which graph could be used to find the solution(s) to the system of equations y = logz(x + 2) and y = x3 + 2x2
Which graph could be used to find the solution(s) to the system of equations y = logz(x + 2) and y = x3 + 2x2 - 5x - 6? O -10 -9 -8 -7 -6 -5 4 -3 2 2 8 4 5 6 7 8 9 10 2 O -10 -9 -8 -7 6 5 4 3 2. 4 5 6 7 8 9 10O -10 -9 8 -7 6 5 4 3 -2 3 4 5 6 7 8 9 10 O -10 -9 -8 -7 6 -5 4 3 -2 3 4 5 6 7 8 9 10Based on the graphs of f (x) and g(x), what must the domain of (f . g)(x) be? -NW AC -10 -9 -8 -7 6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10 -1 f(x) O {XER} O{XER|x#-2, 3} O{ER[X#1} O {ER(X*-2, 1, 3}Given f (X) =- X+3 - and g(x) = log4x, evaluate (g - f)(2). x* + 2x -3 O -= On O . 01 Question 4(Multiple Choice Worth 2 points) (02.03 MC) A popular video game retailer develops apps. The total profit, in dollars per day, after x days can be modeled by the function R(x) = 2x3 - 20x2 + 26x + 48. The total cost, in dollars per day, after x days, can be modeled by the function A(x) = x2 - 2x - 3. After how many days does the retailer start making money? O 16 32 64 Question 5(Multiple Choice Worth 2 points) (02.03 MC) Given the values of the linear functions f (x) and g(x) in the tables, where is (f - 9)(x) positive? x -6 -1 4 9 14 f (x) 6 5 4 3 2 9(x) -12 -7 - 2 3 8 O (14, 00 ) O (-00, 14) O (9, "0) O (-00, 9)Which of the following would not be a possible function for f (x) and g(x) such that (fog)(x) = 8 x2 5+4? X2 Of (x) = - +4 and g(x) = x Of (x) = =+4 and g(x) = x 2 Of ( X) = 2 +4 and g(x) = x2 Of (x)= " +4 and g(x) = =z Question 2(Multiple Choice Worth 2 points) (02.04 MC) A restaurant's delivery person can determine the number of miles he can drive in x hours by the function f (x) = x2 + 2x. The number of gallons of gasoline that the delivery person uses for driving y miles can be determined by the function g(y) = . If the delivery person works an 8-hour shift, how many gallons of gasoline will he need in his tank? 0 3 04 0 5 06Determine the domain and range of (go f)(x) if f (x) =- 9 and g(x) = x + 3. x2 - 9 O D: {X E R) and R: (-0o, -3) u (3, co) O D: {X E R| x #-6, 0} and R: (-00, -3) u (3, co) O D: {X ER| x #-3, 3} and R: (-00, 2) U (3, co) O D: {X ER| x #-6, -3, 0, 3} and R: (-00, -2) u (2, 0) Question 4(Multiple Choice Worth 2 points) (02.04 MC) Given the following table with selected values of f (x) and g(x), evaluate f (9(4)). Y 4 6 f (x) 2 4 -4 -2 g(x) -6 1 4 3 O -4 O -2 O2 09
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