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Inga [223]
3 years ago
11

Given the function f(X)= |3x-7|, find the values of X that satisfy the equation f(X) = 4

Mathematics
1 answer:
Kay [80]3 years ago
5 0

Answer:

x = 1 or x = \frac{11}{3}

Step-by-step explanation:

The expression inside the absolute value function can be positive or negative

That is 3x - 7 = ± 4

There are 2 equations to solve

(1)

3x - 7 = 4 ( add 7 to both sides )

3x = 11 ( divide both sides by 3 )

x = \frac{11}{3}

(2)

3x - 7 = - 4 ( add 7 to both sides )

3x = 3 ( divide both sides by 3 )

x = 1


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