appleheadzone77 appleheadzone77

16-12-2020
Mathematics

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2. Given f(x) = 2x + 3(x – 3), find x, if f(x) = 11.

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beaweckedkid09 beaweckedkid09

16-12-2020

Answer:

Correct answer:

3

Step-by-step explanation:Using the defined function, f(a) will produce the same result when substituted for x:

f(a) = a2 – 5

Setting this equal to 4, you can solve for a:

a2 – 5 = 4

a2 = 9

a = –3 or 3

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