Homework Help: Math - check answer

Posted by Brownie on Tuesday, January 29, 2013 at 5:48pm.

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 - Henry, Thursday, January 31, 2013 at 8:43pm
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 - Henry, Thursday, January 31, 2013 at 9:26pm
oops! I didn't realize you were doing
calculus.

Your calculus is correct.

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