Q. Fill in the table. Find th rule:X (input)Y(output1539411
Analyze Pattern: Step 1: Analyze the given values to find a pattern.We have pairs of values for X and Y:X=1, Y=5X=3, Y=9X=4, Y=11We need to find a rule that connects X to Y. Let's check if a linear relationship fits.
Assume Linear Relationship: Step 2: Assume a linear relationship Y=mX+b.Using the first pair (X=1,Y=5), we get:5=m⋅1+b⇒b=5−mUsing the second pair (X=3,Y=9), we get:9=m⋅3+(5−m)⇒9=2m+5⇒2m=4⇒m=2
Substitute to Find Rule: Step 3: Substitute m back to find b. From b=5−m and m=2: b=5−2⇒b=3 So, the rule is Y=2X+3.
Check Rule with Third Pair: Step 4: Check the rule with the third pair (X=4,Y=11).Substitute X=4 into Y=2X+3:Y=2⋅4+3⇒Y=11The rule works for this pair too.
Verify Rule with All Pairs: Step 5: Verify the rule with all pairs.For X=1, Y=2×1+3=5For X=3, Y=2×3+3=9For X=4, Y=2×4+3=11All pairs match the rule.
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