Given f(x)=-4x^(2)-5, find f(-7) Answer:

Given function substitution: We are given the function f(x) = -4x^2 - 5 and we need to find the value of f(-7). Substitute x with -7 in the function f(x). f(-7) = -4(-7)^2 - 5Calculate square: Calculate the square of -7. (-7)^2 = 49Multiply by -4: Multiply 49 by -4. -4 * 49 = -196Substitute and subtract: Substitute -196 into the function and subtract 5. f(-7) = -196 - 5Calculate final value: Calculate the final value. f(-7) = -201

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Given
f(x)=-4x^(2)-5, find
f(-7)
Answer:

Given $f(x)=-4 x^{2}-5$ , find $f(-7)$ $\newline$ Answer:

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Algebra 2

Evaluate expression when two complex numbers are given

Full solution

Q. Given

f(x)=-4 x^{2}-5

, find

f(-7)

\newline

Answer:

Given function substitution: We are given the function $f(x) = -4x^2 - 5$ and we need to find the value of $f(-7)$ . $\newline$ Substitute $x$ with $-7$ in the function $f(x)$ . $\newline$ $f(-7) = -4(-7)^2 - 5$
Calculate square: Calculate the square of $-7$ . $(-7)^2 = 49$
Multiply by $-4$ : Multiply $49$ by $-4$ . $\newline$ $-4 \times 49 = -196$
Substitute and subtract: Substitute $-196$ into the function and subtract $5$ . $\newline$ $f(-7) = -196 - 5$
Calculate final value: Calculate the final value. $f(-7) = -201$