Please help!! Someone said it was d.... and I think it’s either b or c..... now I am very confused :( giving 12-15 points!!
1 answer:
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Answer:
3
Step-by-step explanation:
(x₁ , y₁) = (-1 , -2) & (x₂ , y₂) = (3 , 10)
m = 4
y - y₁ = m (x - x₁)
y - [-2] = 4(x - [-1])
y + 2 = 4(x + 1)
y + 2 = 4x + 4
y = 4x + 4 - 2
y = 4x + 2
Answer:
3) ,
, or
(same thing)
4) or
(same thing)
5) or
(same thing)
Step-by-step explanation:
3) Domain represents the amount of -values in a function. The image shows that the function's arrows point in both directions (right and left), infinitely, so the domain would be
,
, or
(same thing).
4) Range represents the amount of -values in a function. The function goes downward forever (
) by the indication of an arrow and halts just under the y-axis (
). After combining these two inequalities, you see that the range is
or
(same thing).
5) The -intercept is where the function crosses the
-axis. In this function, the
-intercept is
or
(same thing).
Answer:
Step-by-step explanation:
Using the slope formula, you can form this equation! The slope of any equation would replace the m, and the y intercept would replace b!
I added in the slope formula at the bottom, just in case, so you'll see what I mean!
I hope this helps, and I explained enough! Have a great day c:
