2. Functions

Solving Equations With Functions — Quiz

Test your understanding of solving equations with functions with 5 practice questions.

Practice Questions

Question 1

What does it mean to solve an equation involving functions such as $f(x)=g(x)$?

Question 2

If $f(x)=2x+1$ and $g(x)=x+5$, what value of $x$ solves $f(x)=g(x)$?

Question 3

Which equation is solved by finding where $f(x)$ and $g(x)$ are equal?

Question 4

If $f(x)=x^2$ and $g(x)=4$, which equation must be solved to find where the graphs intersect?

Question 5

What is the main purpose of rewriting an equation like $x^2-5x+6=0$ as $x^2-5x+6=h(x)$ and comparing functions?