Expression 4: "r" equals StartFraction, 1 Over 1 plus StartNestedFraction, 1 NestedOver StartRoot, 2 , EndRoot , EndNestedFraction cos left parenthesis, theta , right parenthesis , EndFraction Has graph.r=11+12cosθ
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
2 pi2π
domain \theta Maximum:
4
Expression 5: "r" equals StartFraction, 1 Over 1 plus StartRoot, 5 , EndRoot cos left parenthesis, theta , right parenthesis , EndFraction Has graph.r=11+5cosθ
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
2 pi2π
domain \theta Maximum:
5
Expression 6: "y" equals 2 left parenthesis, "x" minus StartFraction, StartRoot, 5 , EndRoot Over 4 , EndFraction , right parenthesisy=2x−54
6
Expression 7: "y" equals negative 2 left parenthesis, "x" minus StartFraction, StartRoot, 5 , EndRoot Over 4 , EndFraction , right parenthesisy=−2x−54