Given ƒ (x) = - 1 2 x + 7, find x when ƒ (x) = 10. A) - 6 B) - 3 C) 2 D) 7

Question

Mathematics

Ashlynn Morrison

22 May, 06:26

Given ƒ (x) = - 1 2 x + 7, find x when ƒ (x) = 10. A) - 6 B) - 3 C) 2 D) 7

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Answers (1)

Know the Answer?

Athena Bullock · Answer 1

Answer: x = - 1/4

Step-by-step explanation:

Since f (x) is given as 10, just substitute into the equation given, that is

10 = - 12x + 7

Collecting the like terms, we have

12x = 7 - 10

12x = - 3

x = - 3/12

x = - 1/4