Expression 1: "y" equals StartFraction, 1 Over 10 , EndFraction left brace, negative 10 less than or equal to "x" less than or equal to 0 , right bracey=110−10≤x≤0
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Expression 2: "y" equals StartFraction, left parenthesis, 10 Superscript, left parenthesis, "x" positive 10 , right parenthesis , Baseline , right parenthesis Over Start integral from negative 10 to 0, end integral, 10 Superscript, "k" plus 10 , Baseline "d" "k" , EndFraction left brace, negative 10 less than or equal to "x" less than or equal to 0 , right bracey=10x+10∫0−1010k+10dk−10≤x≤0