Expression 4: "y" equals negative 2 "x" squared minus 2 "x" minus 8 left brace, "x" greater than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.y=−2x2−2x−8x≥0
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Expression 5: "y" equals negative 2 "x" squared minus 2 "x" minus 8 left brace, "x" less than 0 , right brace Has graph. To audio trace, press ALT+T.y=−2x2−2x−8x<0
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Expression 6: left parenthesis, "t" squared minus 4 , negative 2 "t" to the 4th power minus 2 "t" cubed minus 8 "t" squared , right parenthesis Has graph.t2−4,−2t4−2t3−8t2
domain t Minimum: negative 50−50
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 5050
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Expression 7: "y" equals "x" squared plus "x" Superscript, 1.5 , Baseline plus 4 "x"y=x2+x1.5+4x
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Expression 8: "y" equals "x" squared minus "x" Superscript, 1.5 , Baseline plus 4 "x"y=x2−x1.5+4x
