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What is $(f * g)(x)$ ? $\newline$ $f(x) = -2x + 4$ $\newline$ $g(x) = -3x^2$ $\newline$ Write your answer as a polynomial or a rational function in simplest form. $\newline$ ______

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Add and subtract functions

Full solution

Q. What is

(f * g)(x)

?

\newline

f(x) = -2x + 4

\newline

g(x) = -3x^2

\newline

Write your answer as a polynomial or a rational function in simplest form.

\newline

______

Identify formula: Identify the formula for $(f * g)(x)$ . $(f * g)(x)$ is the product of $f(x)$ and $g(x)$ . $(f * g)(x) = f(x) * g(x)$
Given functions: We have: $\newline$ $f(x) = -2x + 4$ $\newline$ $g(x) = -3x^2$ $\newline$ Now, we need to multiply these two functions to find $(f * g)(x)$ . $\newline$ $(f * g)(x) = (-2x + 4) * (-3x^2)$
Multiply functions: Distribute $-3x^2$ to each term in the polynomial $-2x + 4$ . $\newline$ $(f * g)(x) = (-2x * -3x^2) + (4 * -3x^2)$
Distribute terms: Perform the multiplication for each term. $\newline$ $(f * g)(x) = 6x^3 + (-12x^2)$
Perform multiplication: Combine the like terms if there are any. In this case, there are no like terms to combine. $\newline$ So, the final simplified polynomial is: $\newline$ $(f \cdot g)(x) = 6x^3 - 12x^2$

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