Answer:
Choice 1. -3x + 2y = 5.
Step-by-step explanation:
The slope of the line = y2-y1/x2-x1
= (4 - 1) / (1 - (-1))
= 3/2.
To find the equation of the line we use the point-slope form of the equation of a line:
y - y1 = m(x - x1) where m = slope and (x1, y1) is a point on the line. So using m = 3/2 and the point (1, 4):
y - 4 = 3/2(x - 1)
y - 4 = 3/2 x - 3/2
Multiply through by 2:
2y - 8 = 3x - 3
-3x + 2y = -3 + 8
-3x + 2y = 5 (answer).
Answer:
I need more info.
Step-by-step explanation:
Answer:
For 100 calls the monthly cost = 10.95 + 0.95(100) = $ 22.95
120 calls = 10.95 + 0.95(120) = $ 25.35
140 calls = 10.95 + 0.95(140) = $ 27.75
160 calls = 10.95 + 0.95(160) = $ 30.15
Therefore it is constant
The answer is B. Yes, the average rate of change is constant
Hope this helps!
Answer:
A direct variation is when x and y (or f(x) and x) are directly proportional to each other... For example, if you have a chart that says x and y, and in the x column is 1, 2 and 3, and the y column says 2, 4 and 6... then you know it's proportional because for each x, y increases by 2
Step-by-step explanation:
Answer:
mean: 40.25
median: 40
mode: 40
Step-by-step explanation:
No.
If 42 is removed all values will be equal to 40.
