QUESTION IMAGE
Question
complete the missing entries in the table below. then write the rule.
| in (x) | out (y) |
|---|---|
| 2 | 4 |
| 10 | 28 |
| 6 | 16 |
| 7 | |
| -3 | |
| 10 | |
| -10 | |
| 100 | |
| z |
Step1: Find the relationship rule
Test with given pairs:
For $x=2, y=4$: $3(2)-2=4$
For $x=10, y=28$: $3(10)-2=28$
For $x=6, y=16$: $3(6)-2=16$
Rule: $y=3x-2$
Step2: Calculate $y$ for $x=7$
$y=3(7)-2=21-2=19$
Step3: Calculate $y$ for $x=-3$
$y=3(-3)-2=-9-2=-11$
Step4: Calculate $x$ for $y=10$
$10=3x-2 \implies 3x=12 \implies x=4$
Step5: Calculate $y$ for $x=-10$
$y=3(-10)-2=-30-2=-32$
Step6: Calculate $y$ for $x=100$
$y=3(100)-2=300-2=298$
Step7: Express $y$ for $x=x$
$y=3x-2$
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| IN ($x$) | OUT ($y$) |
|---|---|
| 10 | 28 |
| 6 | 16 |
| 7 | 19 |
| -3 | -11 |
| 4 | 10 |
| -10 | -32 |
| 100 | 298 |
| $x$ | $3x-2$ |
Rule: $y=3x-2$