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help basic cal

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asked Jan 30, 2015 in PRECALCULUS by anonymous

3 Answers

0 votes

13)

Step 1:

The curve image.

image

image-axis equation is image.

Find the limits by equating image forms.

image

Apply zero product property.

image and image

image and image

Limits are image and image.

Step 2:

Formula for area between the curve and image-axis is image.

Substitute the values image and image in image .

image

image

image

image

image

image

image

image

image square units.

Solution:

image square units.

answered Jan 30, 2015 by david Expert
edited Jan 31, 2015 by bradely
0 votes

(14)

Step 1:

The curves   image and  the line image

image and image

Find the limits by equating image forms.

image

image

image

Apply zero product property.

image and image

image and image

Limits are image and image.

Step 2:

Formula for the area between  curve an line is  image.

In this case image.

image

Substitute the values image and image in image.

.image

image

image

image

image

image

image Square units.

Solution:

image Square units.

answered Jan 30, 2015 by david Expert
edited Jan 31, 2015 by bradely
0 votes

(15)

Step 1:

The curves are image and image.

image and image

Find the limits by equating image forms.

image

image

image

image

Apply zero product property.

image, image and image

image, image and image

Step 2:

Graph the functions.

Step 3:

Formula for the area between two curves image.

In this case we need to find the area of two regions image.

Where image and image

image

image

image

image

image

image

image

image

image Square units.

Solution:

image Square units.

answered Jan 30, 2015 by david Expert
edited Jan 31, 2015 by bradely

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