Use the interactive to find an expression equivalent to 4x – 4 – 2x + 3
1 answer:
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9514 1404 393
Answer:
x -3y = 4
Step-by-step explanation:
A plot of the points reveals the longer diagonal to be BD. (Also, point C is on that line.)
We can write the standard form equation of the line through (x1, y1) and (x2, y2) as ...
(y2 -y1)x -(x2 -x1)y = (y2 -y1)x1 -(x2 -x1)y1
For points (-2, -2) and (16, 4), this equation is ...
(4 -(-2))x -(16 -(-2))y = (4 -(-2))(-2) -(16 -(-2))(-2)
6x -18y = -12 +36
Dividing by the greatest common factor (6), we have the standard-form equation ...
x -3y = 4
The appropriate choices appear to be the ones indicated.
A. The function g(x) is shifted right 2 places and up 3 places from f(x). It could be written
... g(x) = f(x -2) +3
We assume this is the intent of the arrow notation used: f(x) → g(x).
B. The function goes through (1, 0) and (5, 1), consistent with a log that has a base of 5.
The answers seem to be as shown in the attachment.
