Functions and their graphs
Interactive practice questions
Consider the graph of the function $f\left(x\right)=2x+5$f(x)=2x+5 shown below.
Loading Graph...
a
Are there any points within its domain where the function is discontinuous?
Yes
A
No
B
b
As such, is the function continuous over its domain?
Yes
A
No
B
c
Is the function smooth?
Yes
A
No
B
Easy
1min
| Consider the graph of the function $f\left(x\right)$f(x) | $=$= |  |
$-x^2+3$−x2+3 | when $x\ge0$x≥0 |
| $x^2+3$x2+3 | when $x<0$x<0 |
Easy
< 1min
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