Answer:
-6x + -36 = y + 4
-6x -y = 4 + 36
A. 6x + y = - 40
f(-5)=28
Step-by-step explanation:
f(x)=x²-2x-7
f(-5) means that we have to replace x by -5.
f(-5)=(-5)²-2(-5)-7=25+10-7=25+3=28