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What is $(f * g)(x)$ ? $\newline$ $f(x) = -2x + 1$ $\newline$ $g(x) = -2x^2$ $\newline$ 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 + 1

\newline

g(x) = -2x^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 $g(x)$ . $(f * g)(x) = f(x) * g(x)$
Define Functions: We have: $\newline$ $f(x) = -2x + 1$ $\newline$ $g(x) = -2x^2$ $\newline$ Now, we need to multiply these two functions to find $(f * g)(x)$ . $\newline$ $(f * g)(x) = (-2x + 1) * (-2x^2)$
Multiply Functions: Distribute each term in the first polynomial by each term in the second polynomial. $\newline$ $(f * g)(x) = (-2x * -2x^2) + (1 * -2x^2)$ $\newline$ $(f * g)(x) = (4x^3) + (-2x^2)$
Distribute Terms: Combine like terms if there are any. In this case, there are no like terms to combine. $\newline$ So, the final answer is: $\newline$ $(f * g)(x) = 4x^3 - 2x^2$

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