Math Problem Statement
Use technology to evaluate $(f+g)(x)$ , $(f-g)(x)$ , $(fg)(x)$ , and $\left(\frac{f}{g}\right)(x)$ when $x=5$ for $f(x)=x^3+5x^2+x$ and $g(x)=4^x$ .
Round your answers to two decimal places.
$\left(f+g\right)\left(x\ \right)=$
$\left(f-g\right)\left(x\ \right)=$
$(fg)(x)=$
$\left(\frac{f}{g}\right)\left(x\right)\approx$
Solution
Define the functions f(x) and g(x) import math
def f(x): return x3 + 5*x2 + x
def g(x): return 4**x
Given value of x
x_value = 5
Compute (f+g)(x), (f-g)(x), (fg)(x), and (f/g)(x)
f_plus_g = f(x_value) + g(x_value) f_minus_g = f(x_value) - g(x_value) f_times_g = f(x_value) * g(x_value) f_divided_by_g = f(x_value) / g(x_value)
Round to two decimal places
f_plus_g_rounded = round(f_plus_g, 2) f_minus_g_rounded = round(f_minus_g, 2) f_times_g_rounded = round(f_times_g, 2) f_divided_by_g_rounded = round(f_divided_by_g, 2)
f_plus_g_rounded, f_minus_g_rounded, f_times_g_rounded, f_divided_by_g_roundedHere are the evaluated expressions at :
Would you like to explore further details or have any questions about these results?
Here are some related questions for you:
- How would the values change if ?
- What happens if we calculate these expressions with different values for the functions and ?
- Can we calculate the derivative of these functions or ?
- How would you evaluate these functions for complex numbers or negative values of ?
- What is the significance of the quotient being so small for ?
Tip: When dealing with complex expressions, using a systematic approach like breaking down each function step-by-step helps avoid calculation errors.
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Math Problem Analysis
Mathematical Concepts
Algebra
Functions
Operations on Functions
Exponential Functions
Formulas
(f+g)(x) = f(x) + g(x)
(f-g)(x) = f(x) - g(x)
(fg)(x) = f(x) * g(x)
(f/g)(x) = f(x) / g(x)
Theorems
Properties of Exponents
Function Operations
Suitable Grade Level
Grades 9-12
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