Concept explainers
a.
Find the zeros of the function accurate to three decimal places.
a.
Answer to Problem 80E
Explanation of Solution
Calculation:
Here, we will draw the graph of the function:
Hence, we have observed from the above graph that the zeroes are
b.
Find the exact value of one of the zeros.
b.
Answer to Problem 80E
Explanation of Solution
Calculation:
Here, we will find the one of the exact zero by putting
Hence, the exact zero of the function is
c.
Factor the polynomial completely.
c.
Answer to Problem 80E
Explanation of Solution
Calculation:
Here, we will divide the polynomial
Hence, the remainder is zero so
Now, again we will divide the polynomial
Hence, the remainder is zero so
Now, we will rewrite the function as:
Hence, after factorizing the polynomial exactly we get
Chapter 2 Solutions
EBK PRECALCULUS W/LIMITS
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