Giving 20 points please help

Step-by-step explanation:

for each top equation, there is a y value and an x value. You could plug in the bottom equation for y in the top equation since y=5x+23. Then you do order of operations and get your y-value. Then you do order of operations again and get your x-value. then its ordered pair, (x,y)

Right? I am so sorry if I am wrong <3

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

c

step-by-step explanation:

i think because what else can be a sample of every member