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18 votes
Let f(x)=12(4)x−1. Evaluate f(3)

User Asim Roy
by
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2 Answers

8 votes
8 votes

Final answer:

To evaluate f(3) for the function f(x) = 12(4)^{x-1}, we substitute x with 3 and calculate the exponent followed by the multiplication to find that f(3) equals 192.

Step-by-step explanation:

To evaluate the function f(x) = 12(4)x-1 at f(3), we substitute x with 3 and follow the order of operations (exponents before multiplication).



So,



f(3) = 12(4)3-1

f(3) = 12(4)2

f(3) = 12 * 16

f(3) = 192



Therefore, f(3) equals 192.

User Sean Amarasinghe
by
2.7k points
23 votes
23 votes

Answer: f(3)=143

Step-by-step explanation:

f(x)=12(4)x−1

f(x)=48x−1

f(3)=48(3)−1

f(3)=144−1

f(3)=143