MATH 142 Midterm: MATH 142 TAMU Math142 Exam1 50minute
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Part i: multiple choice: 4 points each: find lim x 3+ f (x), 4, dne, 3, 4, 3, if f (x) = 5 x4 3x2 ln(x6) + 2x. , what is f (x): f (x) = 150. 7 x 5/7 (ln 2) 2x x4 3x2 ln (x6) + 2x(cid:17)(cid:0) 7. 7 x 5/7 x + (ln 2) 2x: f (x) = x2/7( 20x 5 6x 6 x + (ln 2) 2x) (5x 4 3x2 6 ln x + 2x)(cid:0) 2. 7 x 5/7(cid:1) (x2/7)2: none of the above, at how many values of x does f (x) not exist, 2, 6, 4, 3, 5 f (x) x. 2: suppose r(x) is the total revenue function. What is the average rate of change of the median home value over the time period 2010-2015: ,000/year, ,600/year, ,500/year, ,750/year, none of the above, determine where f (x) =
