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yKpoI14uk [10]
3 years ago
12

If f(x)=x+4 and g(x)=x^2-1, what is (g*f)(x)​

Mathematics
1 answer:
kap26 [50]3 years ago
7 0

(X + 4)(X^2 - 1) = x^3 + 4x^2 - x - 4

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Given f (g (x)) = x + 4 and f (x) = 3x + 5, find g (x).​
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Answer:

g(x) = \frac{1}{3}(x - 1) = \frac{x}{3} - \frac{1}{3}

Step-by-step explanation:

f(x) = 3x + 5

f[g(x)] = 3[g(x)] + 5

⇒  3[g(x)] + 5 = x + 4

⇒  3[g(x)] = x + 4 - 5

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⇒  g(x) = \frac{1}{3}(x - 1) = \frac{x}{3} - \frac{1}{3}

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Question 3.3. What is the slope of the line represented by the equation?

There is no equation

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Simplify:

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I learned this

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