Free points and free if you say hunter x hunter is the best anime

Can someone tell me if this is perpendicular? !

Identify the parent function that can be used to graph the function f(x)=3(x-9)2

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase