Math Problem Statement

Complete the table for the given functions, rounding your answers 	(2 marks)

to two decimal place, where appropriate. f(x)=3^x

Solution

To complete the table for the function f(x)=3xf(x) = 3^x, we need to evaluate the function for the given values of xx. I’ll demonstrate the process for a general range of xx values, typically integers such as 2,1,0,1,2-2, -1, 0, 1, 2, unless specified otherwise.

Here’s the step-by-step calculation for each value:

  1. f(2)=32=132=190.11f(-2) = 3^{-2} = \frac{1}{3^2} = \frac{1}{9} \approx 0.11
  2. f(1)=31=130.33f(-1) = 3^{-1} = \frac{1}{3} \approx 0.33
  3. f(0)=30=1f(0) = 3^0 = 1
  4. f(1)=31=3f(1) = 3^1 = 3
  5. f(2)=32=9f(2) = 3^2 = 9

Here's the completed table:

xxf(x)=3xf(x) = 3^x
-20.11
-10.33
01.00
13.00
29.00

Would you like me to go over any specific calculations in more detail, or do you have other questions?

Related Questions:

  1. How do you calculate powers of negative exponents?
  2. How does the function f(x)=3xf(x) = 3^x behave as xx increases?
  3. What is the significance of the base in exponential functions?
  4. How would the values change if the base was 22 instead of 33?
  5. How does f(x)=3xf(x) = 3^x compare to f(x)=exf(x) = e^x?

Tip: Exponential functions grow rapidly; understanding how the base affects the rate of growth can help in estimating values.

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Math Problem Analysis

Mathematical Concepts

Exponential Functions
Powers of Exponents

Formulas

f(x) = 3^x
Negative exponents: a^(-x) = 1/a^x

Theorems

Properties of Exponents

Suitable Grade Level

Grades 9-10