Limit process
Definitely fun without calculator
Areas
Let's get triggy with it...
Anything goes
100

lim_(n->oo) sum_(k=1)^n((2k)/n)^4(2/n)=int_0^2?

 

int_0^2x^4 dx

100

int_0^8(3+x)dx


56

100

Use the intervals indicated in the table to estimate the integral using a left Riemann sum. 

int_2^14h'(t)dt

15.3 feet

100

The velocity of an object in feet/sec is given by the function, v(t). 

v(t)=5sin(t^2)+cos(2t)-2

Find the total distance traveled by the object during the first 3 seconds.


7.271 feet

100

Trees in a forest are replenished at a rate given by R(t) in acres per week.  At time t=0 there are 200 acres of forested land.  How many acres of forested land will there be after 4 weeks?

R(t)=t(t+2)


237.333

200

lim_(n->oo) sum_(k=1)^n sqrt(3+k/n)(1/n)=int_3^??

int_3^4 sqrt(x)dx

200

d/(dx)int_1^(x^2)t(t^2+1)dt

x^2((x^2)^2+1)*2xor 2x^7+2x^3

200

int_0^2(x^3+4)dx

Find the trapezoidal approximation for the definite integral using 4 subintervals.


12.25

200

d/(dx)int_1^(x^2)sint^3dt

2 x*sinx^6

200

 

int_1^3 f(x)dx=-2,int_1^3(f(x)+4)dx=?

6

300

lim_(n->oo) sum_(k=1)^n((32k^2)/n^2+3)(4/n)=int_0^4?

int_0^4(2x^2+3)dx

300

int_0^2x(x^2-1)^3dx

10

300

F(t)=int_1^(t^2) f(x)dx, F'(3)=?



-12

300

int cosx/(sin^3x)dx

-1/(2sin^2x)+C

300

intdx/sqrt(-x^2-4x-3)

sin^-1(x+2)+C

400

lim_(n->oo) sum_(k=1)^n(3(-2+(2k)/n)^2+2(-2+(2k)/n))(2/n)=int_?^??

int_-2^0(3x^2+2x)dx

400

int_1^6 3/x^2dx


5/2 or 2.5

400

The position function x(t) represents the motion of a particle on the x-axis. Given x(5) = 1 and the graph for v(t) below. Find x(10).

2.1

400

int_0^(pi/4) (sec x*tanx)dx

sqrt(2)-1 or 0.414

400

If g(x)=x-3x+4 and f(x) = g'(x), then 

int_1^3 f(x)dx=

2

500

A tank contains 50 liters of oil at time t=4 hours. Oil is being pumped into the tank at a rate R(t) measured in liters per hour and t is measured in hours. Selected values of R(t) are given in the table. Using a right Riemann sum with three subintervals and data from the table, what is the approximation of the number of liters of oil that are in the tank at time t=15 hours?

114.9 Liters

500

CALCULATOR FRIENDLY(Answer accurate to three decimal places)

Let H(x) be an antiderivative of 

(x^3+sinx)/(x^2+2)

If 

H(5)=pi,then  H(2)=?




-5.867 or -5.866

500

A cup of tea is cooling in a room that has a constant temperature of 70 degrees Fahrenheit. If the initial temperature of the tea, at time t=0, is 200 degrees Fahrenheit and the temperature of the tea changes at the rate R(t) in degrees Fahrenheit per minute, what is the temperature, to the nearest degree, of the tea after 4 minutes? 

R(t)=-6.89e^(-0.053t)



175

500

v(t)=5sin(t^2)+cos(2t)-2

The velocity of an object in feet/sec is given by the function, v(t).  Find the average rate of change of v(t) over the interval [0, 2].  Identify the units.


-2.719 (ft)/sec^2

500

int(50x^3-55x^2-26x+33)/(10x-7)dx

5/3x^3-x^2-4x+1/2lnabs(10x-7)+C

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