Expression 4: left parenthesis, left parenthesis, 2cos left parenthesis, "n" "b" "t" , right parenthesis plus 1 , right parenthesis cos left parenthesis, "b" "t" , right parenthesis , left parenthesis, 2cos left parenthesis, "n" "b" "t" , right parenthesis plus 1 , right parenthesis sin left parenthesis, "b" "t" , right parenthesis , right parenthesis Has graph.2cosnbt+1cosbt,2cosnbt+1sinbt
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
4
Expression 5: "y" equals 4 Has graph. To audio trace, press ALT+T.y=4
negative 10−10
1010
5
Expression 6: "y" equals 7 Has graph. To audio trace, press ALT+T.y=7
negative 10−10
1010
6
Expression 7: "y" equals 3 Has graph. To audio trace, press ALT+T.y=3