QUESTION 1. C = The sum of the roots in the equation 2 + 3x 8 = x. D = The value of 2x y given that. 7y + 2x 3. and = 11 3
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1 QUESTION 1 A = The value of x 2, where (x) 2 + (x + 1) 2 + (x 1) 2 = 365. B = The value of x x 2, given that x + 1 x = 9. C = The sum of the roots in the equation 2 + 3x 8 = x. D = The value of 2x y given that Compute the value of A + B + C + D. 2y 3x 3 = 11 3 and 7y + 2x 3 = 13 3
2 QUESTION 2 The solution to the inequality 4x 12 < 8 can be written in interval notation in the form (x 1, x 2 ). A equal the sum x 1 + x 2. The solution to the inequality x 2 + 5x + 6 < 0 can be written in interval notation in the form (x 3, x 4 ). B equal the sum x 3 + x 4. C equal the constant term of f(x 3) 14 where f(x 1) = x 2 + 6x 2 and let D equal f(7) for this same function. Compute the value of A + B + 7C + D.
3 QUESTION 3 A = x, where log 2 (log 3 x) = 1. B = (log 2 3)(log 9 2) C = log log D = The value of y when the expression 1 log 6 x + 1 log 7 x is written in the form log x y. Compute the value of 3A + 2B + C + D.
4 QUESTION 4 Ψ(f) be the function that gives a value of 0 if f is an odd function, 1 if f is an even function, and 2 if f is neither an odd nor even function. A = Ψ(y = 3x 2 + 4). B = Ψ(y = 2x 3 5x 2 + 2x + 4). C = Ψ(y = x 3 + x). D = Ψ(y = x). Compute A + B + C + D.
5 QUESTION 5 A = The value of f(5) if f is a cubic polynomial with roots 1, 2, 6 and f(0) = 36. B = The value of g(f(2)) where f(x) = x 2 1 and g(x) = 2x. C = The number of positive roots of the equation x 3 + 5x 2 + 2x 9 = 0. D = The sum xy + yz + xz where x, y, z are the roots to the cubic x 3 7x x = 0. Compute the value of A + B + C + D.
6 For let f(x) = QUESTION 6 f(x 2) + f(x 3) x 6 (x + 2)! (x 1)! 5 1 x < 6 24 x 12 3 x < 1 A = f(8) B = f(6) C = f(1) D = f( 6), Compute the value of A + B + C + D.
7 QUESTION 7 A = 13 n=0 (n + 1). B = C = (n 3 5). n=1 I drop a ball off the top of an 80 foot building. If the ball rebounds to 3 8 equal the total distance travelled by the ball. its height everytime it hits the ground, let D Compute the value of A + B + C + D.
8 QUESTION 8 Consider the conic section 4x 2 + 9y 2 24x + 36y + 5 = 31. A = The area of the conic section. B = 1 if the conic section is a hyperbola, 2 if it is an ellipse, or 3 if it is a circle. C = the length of the minor axis. D = the length of the major axis. Compute the value of ABCD.
9 QUESTION 9 A = The sum of the coefficients in the expansion of (3x 2 + 2y 7z) 5. ( B = The constant term of the expansion of 4x 2 + x) 1 6. C = The coefficient of the x 3 y term in the expansion of (x + y) 4. Compute the value of A 8 + B 15 + C.
10 QUESTION 10 Pamela is attempting to solve this systems of equations using Cramer s Rule: 3x + 5y + z = 10 2x y + 7z = 4 x 4y 6z = 7 Each variable x, y, and z can be solved by dividing its corresponding matrix [G] x, [G] y, and [G] z, respectively, by a matrix [H]. A = The determinant of the matrix [G] x used to solve for x. B = The determinant of the matrix [G] y used to solve for y. C = The determinant of the matrix [G] z used to solve for z. D = The determinant of the matrix [H] used to solve for x, y, and z. Compute the value of A + B + C D.
11 QUESTION 11 The Sachdeva Construction Company has to rebuild Rickards High School. It sends 3 men to rebuild the school. Suppose the each of the 3 men can rebuild one wing of the school in 9 hours. Assume for all parts that all men work at constant rates. Consider the following situations: A equal the time required in hours to complete one wing of the school if all 3 men work on it together. Suppose all 3 men initially begin working on the wing of the school together. After one hour, one man leaves, and the remaining two men complete the wing together. B equal the total amount of time in hours it takes to complete the wing. Suppose the three men bring three other men who work at the same rate (each can build one wing of the school in 9 hours). C be equal to the number of hours it would take to complete the wing if all 6 men work on it together. The three men work continuously together for 21 hours. The number of wings they complete is equal to D. Compute the value of A + B + C + D.
12 QUESTION 12 A = x, where 4x(ln 7 e 21 ) x = 72. B = The sum of the solutions to the equation e x3 5x 2 4x+2 = 1. C = The value of e rounded to the nearest tenth. 2 ln 3 ln 4x+ln x2 The expression e can be simplified into the form ax b D = a + b. Compute the value of A + B + C 3 + D., where a and b are relatively prime positive integers.
13 A equal the sum of the series n=1 1 n(n + 1). QUESTION 13 A pyramid of pencils has 11 pencils in the top row, 12 pencils in the next row, 13 in the following row, etc. If there are 19 rows of pencils, let B equal the total number of pencils. A culture of bacteria grows exponentially, doubling every hours. If there are 17 bacteria at hour 0, then C is the first hour that begins with at least 1000 bacteria. Compute the value of A + B + C.
14 QUESTION 14 A = The number of distinct ways to place 6 distinct beads on a bracelet with a clasp. B = The number of distinct ways to place 6 distinct beads on a bracelet without a clasp. C = The number of distinct three person committees that can be formed from a group of 9 students, where 2 certain students refuse to be on the committee together. D = ( 5 C 4 )( 5 P 4 ). Compute the value of A + B + C + D.
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