   Chapter 5.3, Problem 50E ### Single Variable Calculus: Early Tr...

8th Edition
James Stewart
ISBN: 9781305270343

#### Solutions

Chapter
Section ### Single Variable Calculus: Early Tr...

8th Edition
James Stewart
ISBN: 9781305270343
Textbook Problem

# Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area.y = x−4, 1 ≤ x ≤ 6

To determine

The area under the curve y=x4.

Explanation

Given information:

The equation of curve is y=x4 (1)

The region lies between x=1 and x=6

Calculation:

Find y value using the curve function:

Substitute 1 for x in Equation (1).

y=x4=14=1

Hence, the co-ordinates (x,y) is (1,1).

Similarly calculate for remaining values of y and tabulate the results as in Table (1).

 x y 1 1.00 2 0.06 3 0.01 4 0.00 5 0.00 6 0.00

Draw the diagram for the curve function y=x4 using the calculated values in Table (1).

Show the diagram for the curve function y=x4 as in Figure (1).

Refer to Figure (1).

The rough estimate of area can be obtianed by area of shaded region bounded by curve.

Calculate the area under the region (A) bounded in Figure (1) as shown below:

A=12×1×1=0

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