Expression 6: "x" squared minus left parenthesis, "x" plus 2 , right parenthesis Has graph. To audio trace, press ALT+T.x2−x+2
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Expression 7: left parenthesis, "x" plus 1 , right parenthesis left parenthesis, "x" minus 2 , right parenthesis equals 0 Has graph. To audio trace, press ALT+T.x+1x−2=0
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Expression 8:
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Calculate the integral a-b from [2,-1]
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Expression 10: Start integral from negative 1 to 2, end integral, left parenthesis, "x" squared minus "x" minus 2 , right parenthesis "d" "x" equals negative 4.5∫2−1x2−x−2dx