Functions

Answer all the questions below and press submit to see how many you got right.

id: 11519

Select all statements that are true about the function $y=x^2$.

  • For $x>0$ the value of the function gets smaller, the bigger $x$.
    For $x<0$ the value of the function gets bigger, the bigger $x$.
    For $x>0$ the value of the function gets bigger, the bigger $x$.
    For $x<0$ the value of the function gets smaller, the bigger $x$.
id: 11523
Card image cap

The above picture shows that graph of the function $f(x)=$_______.

  • $2x$
    $-x$
    $x^2$
    $x$
id: 11515

Select all statements that are true about the function $y=mx+b$

  • If $m>0$ the value of the function gets smaller the bigger $x.$
    If $m<0$ the value of the function gets smaller the bigger $x.$
    If $m<0$ the value of the function gets bigger the bigger $x.$
    If $m>0$ the value of the function gets bigger the bigger $x.$