Question Given the function below, if f(x) = -1, find the value of x. f (x) = 4x + 11

Question

Question
Given the function below, if f(x) = -1, find the value of x.

f (x) = 4x + 11

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Thành Đạt 3 years 2021-08-09T15:03:54+00:00 1 Answers 12 views 0

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  1. taiduc
    0
    2021-08-09T15:05:35+00:00
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    soln

    given,

    f(x) = 1

    Now,

    f(x) = 4x+11

    or, -1 =4x +11

    or,4x = 11+1

    or, 4x = 12

    or, x. =12/4

    or x. = 3

    Therefore, The value of x is 3.

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