Algebra

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

id: 11523
Card image cap

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

  • $2x$
    $-x$
    $x^2$
    $x$
id: 9324

What is the value of the expression $x$ for $x=-7?$

id: 9408

What is the value of the expression $x-(-4)$ for $x=-4?$