Expression 5: "k" equals StartFraction, negative 1 Over 20 , EndFraction "h" squared plus 4 equals 3.7 3 5 5k=−120h2+4
equals=
3.7 3 5 53.7355
5
Expression 6: "y" less than or equal to negative StartAbsoluteValue, sin left parenthesis, 1.2 "x" minus "t" , right parenthesis , EndAbsoluteValue Has graph. To audio trace, press ALT+T.y≤−sin1.2x−t
6
Expression 7:
7
Expression 8: "y" less than or equal to negative StartAbsoluteValue, sin left parenthesis, "x" minus "t" , right parenthesis , EndAbsoluteValue Has graph. To audio trace, press ALT+T.y≤−sinx−t