find the x- and y-intercepts of the cubic function f(x) = (x+4) (2x-1) (x-1)

Question

find the x- and y-intercepts of the cubic function f(x) = (x+4) (2x-1) (x-1)

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Iris 2 days 2021-09-09T06:49:44+00:00 2 Answers 0

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    0
    2021-09-09T06:51:12+00:00

    Answer:

    Step-by-step explanation:

    To find the X-intercept, first substitute 0 for x, and then you solve for x. That will give you x=-4, x=1/2, and x=1. To find the Y intercepts, substitute x for 0. Then, remove the zeroes, and multiply. That leaves you with 4 x -1 x -1, which simplifies to be y=4.

    0
    2021-09-09T06:51:20+00:00

    Good morning ☕️

    Answer:

    the x-intercepts : -4 , 1/2 and 1

    the y-intercept : 4

    Step-by-step explanation:

    f(0) = ((0)+4) (2(0)-1) ((0)-1)

         = (4)×(-1)×(-1)

         = 4

    then the y-intercept = 4

    f(x) = 0 ⇔ (x+4) (2x-1) (x-1) = 0 ⇔ x = -4 or x = 1/2 or x = 1

    then the x-intercepts are -4 , 1/2 and 1

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