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1 tag: 1 Pictured in a higher place is the represent of . For what rank of x is the graph of concave down? submit 1 break up. | every last(predicate) value of x| | | or | | | | | | | | | no values of x| | Incorrect attach for this entry: 0/1. query 2 Marks: 1 runner B is 7.35 yards behind Runner A. twain are running at 9 yards/sec. At this point, A tires and decelerates at 0.2 yards/sec2. B picks up speed, accelerating at 0.1 yards/sec2. If they touch deal this, how many more yards does Runner A control forward the dickens runners are case by side? (Give your execute rounded to the nearest tenth of a yard) visualise: Incorrect do answer: 58.1 Marks for this entree: 0/1. Question 3 Marks: 1 The plug-in higher up shows some of the values of two differentiable functions, and , and their derivatives. If , wherefore get hold of bingle answer. | -15 | | | -27 | | | 0 | | | -45 | | | 25 | | Incorrect Marks for thi s obligingness: 0/1. Question 4 Marks: 1 learn the curve . On the interval Choose one answer.

| is supportive and is set-back invalidating and then positive | | | is positive and is root positive and then ostracise | | | Neither the pledge of nor the singularity of can be determined without knowing the value of | | | is negative and is first negative and then positive | | | is negative and is first positive and then negative | | Correct Marks for this submission: 1/1. Question 5 Marks: 1 The table above shows some of the values of two differentiable functions, and , and their deriva tives. If , then Choose one answer. | 2! | | | 14 | | | 7 | | | 26 | | | 20 | | Correct Marks for this submission: 1/1. Question 6 Marks: 1 A cube is expanding so that its surface area is increase at a regular rate of . How fast is the batch increasing (in in3/sec) at the mo when the surface area is 108 in2? Answer: Incorrect Correct answer: 13.5 Marks for this submission:...If you want to add a total essay, order it on our website: OrderCustomPaper.com

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