If f(x) = x^3 - 2x. Find f(3)
Answers
Answered by
7
Answer:
21
Step-by-step explanation:
Given : f(x) = x³ - 2x
Putting x = 3, we get
→ f(3) = (3)³ - 2(3)
→ f(3) = 27 - 6
→ f(3) = 21
Hence, the answer is 21.
_____________________________
The above given polynomial is a cubic polynomial.
Cubic polynomials are the polynomials of highest degree of three.
For example : x³ - 2x² + 8
An equation involving a cubic polynomial is called a cubic equation.
Answered by
0
Answer:
so here
x=3
f(3)=3³-2(3)
=27-6
=21
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Step-by-step explanation:
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