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Use the following function rule to find f(12).
f(x) = (-1-3x)^(2)
f(12) = ◻

Use the following function rule to find $f(12)$ . $\newline$ $f(x) = (-1-3 x)^{2}$ $\newline$ $f(12) = \square$

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Multiplication with rational exponents

Full solution

Q. Use the following function rule to find

f(12)

.

\newline

f(x) = (-1-3 x)^{2}

\newline

f(12) = \square

Substitute $x$ with $12$ : First, substitute $x$ with $12$ in the function rule. $f(12) = (-1 - 3\times12)^2$
Calculate value inside parentheses: Now, calculate the value inside the parentheses. $\newline$ $-1 - 3 \times 12 = -1 - 36$
Simplify expression inside parentheses: Then, simplify the expression inside the parentheses. $\newline$ $-1 - 36 = -37$
Raise to the power of $2$ : Next, raise $-37$ to the power of $2$ . $(-37)^2 = 1369$
Write down $f(12)$ : Finally, write down the value of $f(12)$ . $\newline$ $f(12) = 1369$

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