Math Problem Statement

Evaluate the function g(x) = 3^x for specific values of x, rounded to four decimal places. Calculate g(-2) and g(5.7).

Solution

From the image, the given function is g(x)=3xg(x) = 3^x, and the goal is to evaluate it for specific values of xx, rounded to four decimal places. Here's how the calculations proceed:

Part 1: g(2)g(-2)

g(2)=32=132=19=0.1111g(-2) = 3^{-2} = \frac{1}{3^2} = \frac{1}{9} = 0.1111 This matches the given answer.


Part 2: g(5.7)g(5.7)

For g(5.7)g(5.7): g(5.7)=35.7g(5.7) = 3^{5.7} Using a calculator: g(5.7)639.3263g(5.7) \approx 639.3263 Round this to four decimal places: g(5.7)=639.3263g(5.7) = 639.3263.


Would you like me to verify or explain the remaining parts? Let me know!


Related Questions

  1. How does the value of g(x)=3xg(x) = 3^x change as xx increases or decreases?
  2. How can exponential functions like 3x3^x be applied in real-world scenarios?
  3. What is the general formula for finding the derivative of g(x)=axg(x) = a^x?
  4. How would g(x)=3xg(x) = 3^x behave when graphed?
  5. What happens to the value of g(x)g(x) as xx \to \infty and xx \to -\infty?

Tip:

Always double-check your rounding accuracy, especially for higher values of xx, since small errors can propagate!

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Math Problem Analysis

Mathematical Concepts

Exponential Functions
Rational Exponents
Exponential Growth

Formulas

g(x) = a^x

Theorems

Exponentiation rules

Suitable Grade Level

Grades 9-11