Calculus question...

novasatori

Diamond Member
Feb 27, 2003
3,851
1
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Find the function S(x), given that S'(x)=5x^2-(2/3) and that S(1)=1

I don't even know where to start with this problem, and unfortunately I missed the answers to the test review last thursday, any help with setting it up would be appreciated.


I'm sure its easier than it seems so go easy on me :(...
 

henryay

Senior member
Aug 14, 2002
293
0
0
Integrate both sides, solve for the constant term. (that's when S(1)=1 comes into play)
 

BigPoppa

Golden Member
Oct 9, 1999
1,930
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Integrate S'(x). Solve the general form for the specific form (zyx + C) by plugging in 1 for x and setting the equation = 1. Solve for C.
 

novasatori

Diamond Member
Feb 27, 2003
3,851
1
0
I (5x^2-(2/3))dx
f(x)=((5x^3)/3)-(2x/3) + C

((5(1)^3)/3)-(2(1)/3) + C = 1

1+C = 1

1-1 = C

C = 0 ?


Hope that's right, thanks a lot.
 

JujuFish

Lifer
Feb 3, 2005
11,440
1,053
136
Originally posted by: novasatori
I (5x^2-(2/3))dx
f(x)=((5x^3)/3)-(2x/3) + C

((5(1)^3)/3)-(2(1)/3) + C = 1

1+C = 1

1-1 = C

C = 0 ?


Hope that's right, thanks a lot.

Appears to be correct to me.
 

czech09

Diamond Member
Nov 13, 2004
8,990
0
76
Originally posted by: JujuFish
Originally posted by: novasatori
I (5x^2-(2/3))dx
f(x)=((5x^3)/3)-(2x/3) + C

((5(1)^3)/3)-(2(1)/3) + C = 1

1+C = 1

1-1 = C

C = 0 ?


Hope that's right, thanks a lot.

Appears to be correct to me.


Werd.