Posted by Cady on Monday, September 5, 2011 at 2:48am.
Please help me calculate these integrals.
Suppose that Int 0>1 f(t)dt=11 . Calculate each of the following.
A. int0>0.25 f(4t)dt=
B. int0>0.25 f(1−4t)dt=
C. int0.25>0.375 f(3−8t)dt=

Calculus  MathMate, Monday, September 5, 2011 at 7:24am
Try substitution:
u=4t
du=4dt, or
dt=(1/4)du
then
∫f(4t)dt [0,0.25]
=∫f(u)(1/4)du [0,4*0.25]
=(1/4)∫f(u)du [0,1]
=(1/4)*11
=11/4
The other problems should work similarly.
Answer This Question
Related Questions
 Calculus  Please help me calculate these integrals. Suppose that Int 0>1 f(...
 Grade 12 Calculus  Evaluate each of the following. Show all your calculations. ...
 calculus (gr 12)  Evaluate each of the following. Show all your calculations. a...
 calculus (gr 12)  Evaluate each of the following. Show all your calculations. a...
 biology  Given the part of the molecule shown below, can the underlined atom ...
 calculus  Find an equation for the surface consisting of all points P(x, y, z) ...
 Calculus  1. Evaluate the following integrals (a) 4x2 +6x−12...
 ap chem  calculate the lattice enthalpy of potassium fluoride from the ...
 physics  Four charges −8 × 10^−9 C at (0 m, 0 m), −7 × 10^&#...
 math help  Let u = [2,−3, 1] and v = [0, 1, 4]. Calculate the vector u &#...
More Related Questions