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Need Help please!

3.) what is the value of f(4) for the function f(x) = 3x - 5?

4.) what is the value of f[g(6)] for the functions f(x) = 2x +1 and g(x) = 2x - 5?

Respuesta :

musiclover10045

3. replace x with 4 and solve:

3(4) - 5 = 12 -5 = 7

The answer is 7

4. Replace x with 6 in the equation for g(x) first:

2(6) -5 = 12-5 = 7

Now replace x with 7 in the equation for f(x)

2(7) +1 = 14 +1 = 15

The answer is 15

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