Math Problem Statement
the function is defined by f(x)=2x^2-7.Gind f (2a)
Solution
To find for the function , we substitute in place of in the function:
Now, simplify the expression:
So, .
Would you like more details on the process, or do you have any other questions?
Here are 5 questions related to this topic:
- How do we differentiate the function ?
- What is the value of for ?
- How do we find the inverse of the function ?
- What is the domain and range of ?
- How does substituting negative values of affect ?
Tip: When substituting expressions into a function, always ensure proper distribution and squaring when applicable.
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Math Problem Analysis
Mathematical Concepts
Algebra
Functions
Substitution
Formulas
f(x) = 2x^2 - 7
Substitute x = 2a into f(x)
Theorems
-
Suitable Grade Level
Grades 8-10