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Zigmanuir [339]
2 years ago
12

Can I pleae get some help i dont get it

Mathematics
2 answers:
OLEGan [10]2 years ago
7 0

Answer:

Find 'Function A's linear equation by using point-slope formula;

<h3>y - y1 = m(x - x1)</h3>

Where y1 = your first y-coordinate in any pair, and x1 = your first x-coordinate in the following pair used for the y-coordinate, and lastly m = slope.

But, we do not have the slope so we use the formula to find the slope(rise/run) of any two random points;

y2(second y-coordinate) - y1(first y-coordinate)

______________________________________

x2(second x-coordinate) - x1(first x-coordinate)

We plug in these values using any two ordered pairs, so I'll just use (-1,12) and (0,8).

12 - 8           4

_____ = ______ = -4/1 or <u>-4</u> is the slope, so now we utilize this slope into

-1 - 0           -1

our point slope formula:-

y - y1 = m(x - x1)

For this, we just use one arbitrary pair, I'll use (-1,12).

So,

y - 12 = -4(x - (-1))

simplify

y - 12 = -4x - 4

isolate y by adding 12 to both sides (inverse operation of subtraction is addition)

+12         +12

<u><em>y = -4x + 8</em></u>, is the function for A.

Now let's compare the <u>y-intercepts</u> of both of these functions because we want to see which one has the greatest <u>initial value</u>.

Function A: y = -4x + 8, <u>8 is the y-intercept</u> in this case.

Function B: y = 3x + 2, <u>2 is the y-intercept</u> in this case.

Compare;

8 > 2, therefore<u> Function A has a greater initial value.</u>

Gwar [14]2 years ago
3 0

Answer:

Step-by-step explanation:

Initial value ( y - value) for  Function A is 12.

For B its 3(-1) + 2 = -1   so the answer is Function A.

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