Math Problem Statement
if f (x) +4x^2 - 3x + 7 what is f(-2)
Solution
Given the function:
We want to find .
- Substitute into the function:
- Calculate each term:
Now, combine all terms:
Thus, .
Would you like more details on any of the steps?
Here are 5 related questions:
- What is for the same function?
- How would you find the roots of ?
- What is the derivative of ?
- How would you calculate ?
- Can you express in vertex form?
Tip: Always simplify powers and multiplication before dealing with signs when substituting values into functions.
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Math Problem Analysis
Mathematical Concepts
Algebra
Function Evaluation
Quadratic Functions
Formulas
f(x) = ax^2 + bx + c
Substitution of x into a function
Theorems
Basic principles of function evaluation
Suitable Grade Level
Grades 8-10