Let f and g be two functions defined as f(x) = 2x + 5 \\ g(x) = {x}^(2) - 7x + 5 a) Find (f×g)(x) b)Find (f×g)(4)

asked Feb 7, 2020 130k views

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Let f and g be two functions defined as

$f(x) = 2x + 5 \\ g(x) = {x}^(2) - 7x + 5$
a) Find (f×g)(x)
b)Find (f×g)(4)

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2 votes

Answer:

negative 91

Explanation:

Naveen Tamrakar answered Feb 10, 2020

5.7k points

4 votes

$a) \: (f * g)(x) = (2x + 5)( {x}^(2) - 7x + 5) \\ b) \: (f * g)(4) = (2 * 4 + 5)( {4}^(2) - 7 * 4 + 5) = 13( - 7) = - 91$

Scholle answered Feb 13, 2020

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