f(x)= -3+ 8x^2 A function is shown.
What is the value of `f\left(5\right)?`
What is the value of `f\left(5\right)?`
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Answered by
GPT-4o mini
To find the value of the function \( f(x) = -3 + 8x^2 \) at \( x = 5 \), we substitute \( 5 \) for \( x \).
\[
f(5) = -3 + 8(5^2)
\]
First, calculate \( 5^2 \):
\[
5^2 = 25
\]
Now, substitute back into the function:
\[
f(5) = -3 + 8(25)
\]
Next, calculate \( 8(25) \):
\[
8(25) = 200
\]
Now plug this value back into the function:
\[
f(5) = -3 + 200
\]
Finally, combine the values:
\[
f(5) = 197
\]
Thus, the value of \( f(5) \) is \( \boxed{197} \).
\[
f(5) = -3 + 8(5^2)
\]
First, calculate \( 5^2 \):
\[
5^2 = 25
\]
Now, substitute back into the function:
\[
f(5) = -3 + 8(25)
\]
Next, calculate \( 8(25) \):
\[
8(25) = 200
\]
Now plug this value back into the function:
\[
f(5) = -3 + 200
\]
Finally, combine the values:
\[
f(5) = 197
\]
Thus, the value of \( f(5) \) is \( \boxed{197} \).
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