PLEASE HELP!!
Oscar entered y=−0.4^x+3y=−0.4^x+3 into an online graphing tool.

What function did he graph?

y=(−0.4)x+3y=(−0.4)x+3

y=(−0.4)x+3y=(−0.4)x+3

y=−(0.4)x+3y=−(0.4)x+3

y=−(0.4)x+3