Math - check answer

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Given s = 4t + 11t3, find the velocity when t = 1 s.

velocity in m/s =

My Answer:
S'=4+33t^2
=4+33
=4+33
=37

velocity in m/s = 37

Can you please confirm this is correct.
Thank you

  • Math - check answer -

    S = 4t + 11t^3.
    S = 4*1 + 11*1^3 = 4 + 11 = 15 m/s.

    NOTE: 1 cubed = 1*1*1 = 1.

  • Math - check answer -

    oops! I didn't realize you were doing
    calculus.

    Your calculus is correct.

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