Expression 2: "f" left parenthesis, "x" , right parenthesis equals 4 "e" Superscript, negative 5 "x" , Baseline Has graph. To audio trace, press ALT+T.fx=4e−5x
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Expression 3: 0 less than "y" less than "f" left parenthesis, "x" , right parenthesis left brace, 0 less than "x" less than 1 , right brace Has graph. To audio trace, press ALT+T.0<y<fx0<x<1
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Expression 4: Start integral from 0 to 1, end integral, "f" left parenthesis, "x" , right parenthesis "d" "x" equals 0.7 9 4 6 0 9 6 4 2 4 0 1∫10fxdx