Maggie invests x dollars in the stock market. during the first month, she loses $500. during the second month, she doubles her money. how much money does maggie have in the stock market at the end of two months?

2x - $1000

Step-by-step explanation:

Initial investment: x

First Month: x - $500  because she lost $500

Second Month: 2(x - $500)  = 2x - $1000   because she double her money from the end of the first month.

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2