Area
Antiderivatives
Definite Integrals and Total Area
More Antiderivatives
Concepts
100

As more rectangles are added to find the area under the curve, the area represented by the rectangles will_________ compared to the true area

get closer

100

x2-12x+15

(x3/3)-6x2+15x+C

100

This type of area cannot be negative

total area

100

14ex

14ex+C

100

If you are shown a rate of change of graph showing how many books are ordered per year starting in 2015, what would the label on the integral be?

Books ordered (since 2015)

200

Using the graph on the board find the singed area

160

200

5/x

5 ln (x)+ C

200

Find the definite integral

f(x)= -4x-2 ; a=1, b=4

-3

200

e14x

e14x/14+c

200

What is the first step in solving for an integral algebraically? 

Vertical Bar Notation

300

Using the function f(x)= -.25x2+2x+10

Find the height of the second right rectangle if you want to find the area from 0-9 using 3 rectangles

f(6)=13

300

Find the Specific Antiderivative

f(z)=z-2+8z; F(2)=5

-z-1+8z2/2-10.5

300

Find the Total Area

f(x)= -4x-2 ; a=1, b=4

3

300

Find the specific antiderivative

f(x)= x-2 + ex ; F(2)=1

F(2)= 1= -2-1+ e2+c             

c= 1.5 + e2

300

What do inflection points on an accumulation graph mean on the related rate of change graph?

Relative Mins/Maxs

400


Find the accumulated area at 47 when you start at0.

A=40.4

400

x-2(x4-7x2-9)

x3/3-7x-9x-1

400

Find the definite integral. (Round to 3 decimals)

f(x)= 9.295x-1 -1.472; a=0.5, b=3.5

-0.917

400

2x-1+.38(.1x)

0.8 ln x + 0.38(0.1x)/ ln 0.1+C

400

When interpreting a definite integral, if the area is positive then the rate of change...

increased

500

Find the Total Area of the graph from 0 to 47

A=71.2

500

(5x4-2x3)/x5

5ln(x)+2x-1

500

f(x)= 9.295x-1 -1.472; a=0.5, b=3.5

1.386

500

The rate of change of the weight of a mouse can be modeled as: w(t)= 7.37t-1 grams per week, where t is the age of the mouse, in weeks, beyond two weeks. At an age of 9 weeks, the mouse weighed 26 grams.

Find the Specific Antiderivative

W(t)= 7.37 ln t + 11.6586 grams

500

Using the graph x2, when would the graph be increasing/decreasing, and is it increasing faster or slower in these areas?

negative infinity to 0= decreasing slower

0 to infinity= increasing faster