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Answer :
Let's find [tex]\( f(3) \)[/tex] given the function [tex]\( f(x) = 3x^2 \)[/tex].
1. Start with the function [tex]\( f(x) = 3x^2 \)[/tex].
2. We need to calculate [tex]\( f(3) \)[/tex], which means substituting [tex]\( x = 3 \)[/tex] into the function.
3. Replace [tex]\( x \)[/tex] with 3 in the equation:
[tex]\[
f(3) = 3 \times (3)^2
\][/tex]
4. Calculate [tex]\( (3)^2 \)[/tex], which is [tex]\( 3 \times 3 = 9 \)[/tex].
5. Multiply 3 by 9:
[tex]\[
3 \times 9 = 27
\][/tex]
6. Therefore, [tex]\( f(3) = 27 \)[/tex].
The correct answer is 27.
1. Start with the function [tex]\( f(x) = 3x^2 \)[/tex].
2. We need to calculate [tex]\( f(3) \)[/tex], which means substituting [tex]\( x = 3 \)[/tex] into the function.
3. Replace [tex]\( x \)[/tex] with 3 in the equation:
[tex]\[
f(3) = 3 \times (3)^2
\][/tex]
4. Calculate [tex]\( (3)^2 \)[/tex], which is [tex]\( 3 \times 3 = 9 \)[/tex].
5. Multiply 3 by 9:
[tex]\[
3 \times 9 = 27
\][/tex]
6. Therefore, [tex]\( f(3) = 27 \)[/tex].
The correct answer is 27.
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