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Sagot :
D is the answer because it shows a function of y=2x+1
2x1=2+1=3
2x2=4+1=5
2x4=8+1=9
2x5=10+1=11
2x1=2+1=3
2x2=4+1=5
2x4=8+1=9
2x5=10+1=11
Answer: D.) y = 2x + 1
Step-by-step explanation:
in slope-intercept form, y = mx + b, m is the slope, Rise/Run
The difference in y-values, rise, increases by 2 for every increase of 1 in x-values, the run.
2/1 is the slope
m = 2
b is the y-intercept
To calculate b, substitute any pair of y and x values from the chart, and the value 2 for m:
9 = 4(2) + b
9 = 8 + b
1 = b
Rewrite the equation with the values calculated for m and b. Keep y and x
y = 2x + 1
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