Given f(x)=x2−3x+4, find f(−2)

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

The area of square garden is 300m squared. how long is the diagonal?