Question
Let $f(x)=-3 x+1$ and $g(x)=x^{2}+2 .$ Find each of the following.$$f(5)-g(5)$$
Step 1
To do this, we substitute $x=5$ into the function $f(x)=-3x+1$. This gives us $f(5)=-3(5)+1=-15+1=-14$. Show more…
Show all steps
Your feedback will help us improve your experience
Lili Schantz and 60 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
Let $f(x)=-3 x+1$ and $g(x)=x^{2}+2 .$ Find each of the following. $$ (F+G)(-5) $$
Polynomials
The Algebra of Functions
Let $f(x)=-2 x+3$ and $g(x)=x^{2}-5 .$ Find each of the following. $$(f+g)(x)$$
Graphs, Functions, and Linear Equations
Let $f(x)=-2 x+3$ and $g(x)=x^{2}-5 .$ Find each of the following. $$f(1)-g(1)$$
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD