Question: Only need #13 QUESTION 13 On what interval is the function g(x) = 10xe concave down ? OA. 1 8 ( -2, 00 ) OC.
Only need #13

QUESTION 13 On what interval is the function g(x) = 10xe concave down ? OA. 1 8 ( -2, 00 ) OC. (-00, 640) OD . ( - 00 , - - ) OE. ( - 00 . . - ! ) QUESTION 14 In a time of t seconds, a particle moves a distance of s meters from its starting point, where s = 4t - t + 58. Find the average velocity of the particle on the closed interval [7, 7 + h]. A. (56 + 4h) m sec OB. "(55 + 4h) m sec . (56 + 3/) m sec OD. m
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