I need help with number 1 2 and 3 please

What term makes it inconsistent y=2x - 4

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

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"