Differentiate both sides with respect to
When
For part (b), we now assume that
where the chain rule is used on the right side. We're told that
where the unit is again units/second.
Identify the slope (m) for y=−7x.
1 answer:
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Differentiate both sides with respect to
When
For part (b), we now assume that
where the chain rule is used on the right side. We're told that
where the unit is again units/second.
Answer:
substitute that value for x in the polynomial and see if it evaluates to zero
Step-by-step explanation:
A "zero" of a polynomial is a value of the polynomial's variable that make the expression become zero when it is evaluated. As an almost trivial example, consider the polynomial x-3. The value x = 3 is a zero because substituting that value for x makes the expression evaluate as zero.
3 -3 = 0
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Evaluating polynomials can be done different ways. Straight substitution for the variable is one way. Using synthetic division by x-a (where "a" is the value of interest) is another way. This latter method is completely equivalent to rewriting the polynomial to Horner form for evaluation.
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In the attachment, Horner Form is shown at the bottom.
