Concept explainers
To draw: the graph of given function
Answer to Problem 87E
Explanation of Solution
Given information:
Function
- by applying the leading coefficient test;
- finding the zeros of polynomial;
- plotting sufficient solution;
- Draw a continuous curve through the points.
Calculation:-
Step: - (a) − Applying the leading coefficient test, we have
In given function, the leading coefficient is -1 (negative) and power of x is 4 (even) so the graph will drop down on both sides right and left, then graph will be something like this
Step (b):- now find the zeros of given function, then
Real Zeros are
Step (c):- since zeros of an equation satisfies the equation so, f(x) = 0 at x =
Also the multiplicity of each zero is 1 i.e. multiplicity is odd so the function will cross the x-axis at x =
Then graph will be something like this
Step (d):- now drawing the continuous curve by using step (a), (c). We have
Chapter 2 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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