Derivatives and concavity | Desmos

Expression 4: 2 "x" minus 3

4

Expression 5: "y" equals 2

negative 10

10

5

Expression 6: StartFraction, "x" to the 5th power Over 5 , EndFraction plus StartFraction, "x" to the 4th power Over 4 , EndFraction minus 2 thirds "x" cubed

6

Expression 7: "x" to the 4th power plus "x" cubed minus 2 "x" squared

7

Expression 8: 4 "x" cubed plus 3 "x" squared minus 4 "x"

8

9

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