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1 answer:
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Answer:
The given statement that value 5 is an upper bound for the zeros of the function f(x) = x⁴ + x³ - 11x² - 9x + 18 will be true.
Step-by-step explanation:
Given
We know the rational zeros theorem such as:
if is a zero of the function
,
then .
As the is a polynomial of degree
, hence it can not have more than
real zeros.
Let us put certain values in the function,
,
,
,
,
,
,
,
,
From the above calculation results, we determined that zeros as
and
.
Hence, we can check that
Observe that,
,
increases rapidly, so there will be no zeros for
.
Therefore, the given statement that value 5 is an upper bound for the zeros of the function f(x) = x⁴ + x³ - 11x² - 9x + 18 will be true.
Area of the rectangle
Area of the semicircles
Area of the figure
= 76.3in²
(rounded)
Answer:
25% increase
Step-by-step explanation:
You multiply the original number (0.25) by 100.
% increase = Increase ÷ Original Number × 100. If the answer is a negative number, that means the percentage change is a decrease.