Question
Concept Check For the function$$f(x)=-x^{2}+4$$a student claimed that $f(-2)=8 .$ This is incorrect. WHAT WENT WRONG? Findthe correct value of $f(-2)$
Step 1
Step 1: First, we substitute $x = -2$ into the function $f(x) = -x^{2} + 4$. Show more…
Show all steps
Your feedback will help us improve your experience
Dheeraj and 97 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
For the function $$ f(x)=-x^{2}+4 $$ a student claimed that $f(-2)=8 .$ This is incorrect. WHAT WENT WRONG? Find the correct value of $f(-2)$.
Exponents, Polynomials, and Polynomial Functions
Polynomial Functions, Graphs, and Composition
Concept Check For the function $$ f(x)=x^{2}-1 $$ a student claimed that $f(-1)=-2$. This is incorrect. WHAT WENT WRONG? Find the correct value of $f(-1)$.
For the function $$ f(x)=x^{2}-1 $$ a student claimed that $f(-1)=-2$. This is incorrect. WHAT WENT WRONG? Find the correct value of $f(-1)$.
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD