Answer:
Step-by-step explanation:
<u>Given function:</u>
<u>We can also write it as:</u>
x-intercept is the point where y = 0
Put y = 0 in the above equation
![0=x^2-7\\\\Add \ 7 \ to \ both\ sides\\\\7 = x^2\\\\Take \ sqrt \ on \ both \ sides\\\\\pm \sqrt{7} =x\\\\x = \pm \sqrt{7} \\\\\rule[225]{225}{2}](https://tex.z-dn.net/?f=0%3Dx%5E2-7%5C%5C%5C%5CAdd%20%5C%207%20%5C%20to%20%5C%20both%5C%20sides%5C%5C%5C%5C7%20%3D%20x%5E2%5C%5C%5C%5CTake%20%5C%20sqrt%20%5C%20on%20%5C%20both%20%5C%20sides%5C%5C%5C%5C%5Cpm%20%5Csqrt%7B7%7D%20%3Dx%5C%5C%5C%5Cx%20%3D%20%5Cpm%20%5Csqrt%7B7%7D%20%5C%5C%5C%5C%5Crule%5B225%5D%7B225%7D%7B2%7D)
It’s D I think. Since A and B are not random, C and E are not discrete
Answer:
y = 2x + 3
Step-by-step explanation:
Going from point (0, 3) to point (1, 5), you go 2 units up and 1 unit right. That means the rise is 2, and the run is 1.
slope = rise/run = 2/1 = 2
The slope is 2.
y = 2x + b has a slope of 2.
Now we need b.
Looking at the graph, we see that the y-intercept of the line is point (0, 3), so b = 3.
The equation is
y = 2x + 3
I belive the answer is the 3rd one
