Math Problem Statement

Solve f(x)=3x - 7 if x=35 and x= 100

Solution

To solve the function f(x)=3x7f(x) = 3x - 7 for x=35x = 35 and x=100x = 100, we need to substitute the values of xx into the function and calculate the results.

  1. For x=35x = 35: f(35)=3(35)7f(35) = 3(35) - 7 f(35)=1057f(35) = 105 - 7 f(35)=98f(35) = 98

  2. For x=100x = 100: f(100)=3(100)7f(100) = 3(100) - 7 f(100)=3007f(100) = 300 - 7 f(100)=293f(100) = 293

So, the solutions are:

  • f(35)=98f(35) = 98
  • f(100)=293f(100) = 293

Would you like any further details or have any questions?

Here are some related questions to expand your understanding:

  1. How would you solve f(x)=3x7f(x) = 3x - 7 for a general value of xx?
  2. What is the value of f(x)f(x) when x=0x = 0?
  3. How would the function change if the constant term was different, say f(x)=3x+5f(x) = 3x + 5?
  4. What is the inverse function of f(x)=3x7f(x) = 3x - 7?
  5. How does the slope of the function f(x)=3x7f(x) = 3x - 7 compare to other linear functions?
  6. What are the intercepts of the function f(x)=3x7f(x) = 3x - 7?
  7. How do you graph the function f(x)=3x7f(x) = 3x - 7?
  8. What is the domain and range of the function f(x)=3x7f(x) = 3x - 7?

Tip: Always double-check your calculations to ensure accuracy, especially when substituting values into functions.

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Math Problem Analysis

Mathematical Concepts

Linear Functions
Substitution
Arithmetic Operations

Formulas

Linear function formula f(x) = mx + c

Theorems

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Suitable Grade Level

Grades 6-8