Ask Question
16 May, 16:55

If f (x) varies directly with x2, and f (x) = 96 when x = 4, find the value of f (2).

A. 192

B. 72

C. 32

D. 24

+1
Answers (1)
  1. 16 May, 17:10
    0
    F (x) = k * x²

    f (4) = 96

    96 = k * 4²

    96 = 16 k

    k = 96 : 16

    k = 6

    f (2) = 6 * 2² = 6 * 4 = 24

    Answer: D) 24
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If f (x) varies directly with x2, and f (x) = 96 when x = 4, find the value of f (2). A. 192 B. 72 C. 32 D. 24 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers