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14 January, 09:15

If f (x) = 2x2 + 2, find f (5).

A.) 102

B.) 52

C.) 22

D.) - 1.5

+2
Answers (1)
  1. 14 January, 12:51
    0
    We answer the question by substituting 5 to all the x's of the given function,

    f (x) = 2x² + 2

    Substituting,

    f (5) = 2 (5²) + 2 = 52

    Thus, the f (5) is equal to 52. The answer is letter B.
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