The answer to (-3)(-2)+8 is 14
As x increases by 1, y increases by two. Because of this, you know that this is going to be a linear function. To put it in slope-intercept form we first need to find the slope. The slope is 2 because for each unit change in x, y changes two. The y intercept will be 10. We know this because the y intercept is when x is zero. Because we are given the value for when x is 1 and we know that the y value changes by two, all we have to do is subtract two from 12, which is 10. The function will be f(x) = 2x+10
It's A because the relation is a function, and it does represent the numbers (-3,-7), (-2,-7), (4,-7), (5,-7).
I hope this helps. =^)
Step-by-step explanation:
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Step-by-step explanation:
y=mx +b
b= 5
12.5= 10m+5
10m = 7.5
m= 0.75
y=0.75x +5
..........
at x= 20 , y= 20
at y= 27.5 , x= 30
at x= 40 , y= 35
