Answer:
y = 3x + 1
Step-by-step explanation:
it appears the line is crossing the y-axis at 1 so this eliminates the first and third option
the last option is incorrect because '3x²' would not create a straight line
this leaves y = 3x + 1 which means the line crosses the y-axis at one and the slope is 3
y=3x+1
$0.21 per year
$0.21 times 5 years equals $1.05
So its $0.21
x=5 and y=-2
3x+5y=5
-(7x+5y=25)
-4x=-20
x=5
plug 5 into one of the equations. 3(5)+5y=5
y= -2
