Question

Draw the graph of cubic polynomial () = 3 - 4x

Answer 1

Step-by-step explanation:

x −2 −1 0 1 2

y 0 3 0 −3 0

f(x)=x

3

−4x

y=x

3

−4x

For x=0

y=x

3

−4x

=0

3

−4×0

=0

For x=1

y=1

3

−4×1

=1−4

=−3

For x=−1

y=(−1)

3

−4×−1

=−1+4

=3

For x=2

y=2

3

−4×2

=8−4×2

=8−8

=0

For x=−2

y=(−2)

3

−4×2

=−8+8=0

Answer 2

Answer:

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