Math Problem Statement
Given f(x) = -3x + 5, find f(-2).
Solution
We are given the function and asked to find .
To solve this, substitute into the function:
First, calculate :
Now, add 5:
Thus, .
Would you like further explanation or have any other questions?
Here are 5 related questions to explore:
- How do you find the value of for any given ?
- What is the slope of the function ?
- How do you interpret the y-intercept of the function ?
- Can you determine the zeros of the function ?
- How does changing the constant term in affect the graph?
Tip: Always substitute values carefully into functions and follow the order of operations to avoid mistakes.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Functions
Function Substitution
Formulas
f(x) = mx + b
Theorems
-
Suitable Grade Level
Grades 6-8