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Let f(x) =4x and g(x) =3x-5. Find (g*f)(-4)

Let f(x) =4x and g(x) =3x-5. Find (g*f)(-4)
asked 10.3k views
5 votes
Let f(x) =4x and g(x) =3x-5. Find (g*f)(-4)

asked
User Farinspace
by
8.1k points

1 Answer

4 votes

Answer: 272

Explanation:

f(x) = 4x g(x) = 3x - 5

(g × f)(x) = (4x)(3x - 5)

= 12x² - 20x

(g × f)(-4) = 12(-4)² - 20(-4)

= 12(16) + 80

= 192 + 80

= 272

answered
User Shuvayan Das
by
7.6k points
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