Recent content by Kahing

  1. K

    Calculus AB AP exam question from 2010 (Area/Integration)

    how come the other value is not 0 when it is the y intercept? please show a step by step explanation, thank you
  2. K

    What is the area under the given equation using definite integration?

    actually i do not, that is 2 chapers ahead in my book :/
  3. K

    What is the area under the given equation using definite integration?

    :( I really do not understand this. I don't understand integrating natural log itself. Is there a reference link you can show me ? I have googled it, but all there is is ln(1/x) dx never any ln(x)dx
  4. K

    What is the area under the given equation using definite integration?

    thats what i don't understand. is 4ln(u), ln(u)^4 or 4*ln(u) my attempt to integrate this problem would be u^n+1/n+1 5ln(3-x)/5?
  5. K

    Calculus AB AP exam question from 2010 (Area/Integration)

    I have followed the steps you have given me, but i still do not come up with the same solution as the answer key :/ Find the Y intercept for y = 4ln(3-x) = y = 4.3944 Find the Area under the function y = 4ln(3-x) Find the area of the rectangle ABCD = ABCD = 8.7889 Find the area of ADEF= ADEF =...
  6. K

    What is the area under the given equation using definite integration?

    Homework Statement Find the area under the given equation using definite integration. y = 4ln(3-x) from 0 to 2 The Attempt at a Solution Integration from 0 to 2 4 (integration from 0 to 2) (3-x) Let u = 3-x du = -dx -du = dx -4(integration from 0 to 2) du Idk where to go from there :/...
  7. K

    Calculus AB AP exam question from 2010 (Area/Integration)

    Hello, I am currently studying previous AP Calculus AB exams and I was wondering if someone could explain how to solve the following as clearly as possible so I have a better understanding of these problems in hope to prepare my for the exam next month. R is the shaded region in the Figure in...
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