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Sagot :
the equation is y=2x+1 so plug in 43 for y
43=2x+1
42=2x
21=x!!
43=2x+1
42=2x
21=x!!
Answer:
d)87
Step-by-step explanation:
let's find the slope first
[tex]m = \frac{y _{2} -y_1}{x_2 -x_1}[/tex]
[tex]m = \frac{5 - 3}{2 - 1} [/tex]
[tex]m = 2[/tex]
let's find y-intercept
according to the question
3=1.2+b
3=2+b
therefore
b=1
so the equation is
y=2x+1
given
x=43
therefore
y=43.2+1
y=86+1
y=87
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