Question 1 Which of the following are polynomials? I. f(x) = -8x-10 +9x 6 -6 II. g(x) = 6x* + 36x + 15 III. h(x) = 7.2x6 - 17x9 + 8 IV. j(x) = In(3x4 + 5) V. k(x) = get'-4x6 3x* +5x6 VI. F(x) = 2x9 VII. G(x) = 4x 2 + 9xi - 11 VIII. H(x) = 3 a) OI, III, and VIII only b) O III and VIII only c) OIV, V, and VIII only d) OI, III, and VII only e) O II, IV, VI, VII, and VIII only f) ONone of the above Review LaterQuestion 14 Given the following function, find f(-4). f(x) =-x' -5x-+x-1 a) O-141 b) O-11 c) O-13 d) O-21 e) O 147 f) ONone of the above Review LaterQuestion 15 Given the following function, find f(9). f(x) = * + 81 x - 9 a) O-9 b) O-18 c) O0 d) O Undefined e) O 18 f) ONone of the above Review LaterQuestion 16 Given the following function, calculate f(6) . x-2 a) O-2 b) 0 48 c) 06 d) O-16 e) O 36 f) ONone of the above Review Later\fQuestion 18 A ball is thrown upwards from the roof of a building at time : = 0. The height of the ball in feet for t 2 0 is given by h (1) = -161 + 1481+ 98 where + is measured in seconds. Find the height of the ball, in feet, after 3 seconds. a) O 148 b) 0 98 c) O 398 d) 0 434 e) O 330 f) ONone of the above Review LaterQuestion 19 A manufacturer estimates that the average worker can assemble products according to the function 8.31 1 + 14 PO)= 1+ 3 where t 2 0 , t represents the number of weeks since the worker was hired, and P() represents the number of products the worker can assemble in an hour. How many products can the average worker assemble per hour when he or she first starts working? a) 05.58 b) O 14.00 c) 0 4.67 d) O25.31 e) O 6.49 f) ONone of the above Review LaterQuestion 20 The population of a city can be modeled by the function P (1) = 0.003 + 0.0612 + 0.61 + 18.9 This model gives the population of the city in hundred thousands when t is measured in years since the beginning of 2000. Find the population of the city at the beginning of 2005. a) O 18.9 hundred thousand people b) O 25.3 people c) O 22.5 hundred thousand people d) O0.6 hundred thousand people e) O 23.8 hundred thousand people f) ONone of the above Review Later