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10 July, 20:25

If f (x) = x 2 + 1 and g (x) = 3x + 1, find 2f (1) + 3g (4).

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  1. 10 July, 20:54
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    43

    Step-by-step explanation:

    We are given two functions: f (x) = x^2 + 1 and g (x) = 3x + 1.

    To find 2f (1), firstly find f (1) by substituting 1 in place of x and then multiply the result by 2 to get:

    f (1) = (1) ^2 + 1 = 1 + 1 = 2

    2f (1) = 2 (2) = 4

    To find 3g (4), find g (4) and then multiply the result by 3 to get:

    g (4) = 3 (4) + 1 = 12 + 1 = 13

    3g (4) = 3 (13) = 39

    Now add the values for 2f (1) and 3g (4):

    2f (1) + 3g (4) = 4 + 39 = 43
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