Question

Help I can not figure this out at all even my older kids tried

Answer 1

the rule seems to be double x and minus 1

y=2x-1 is the rule

so for x=10, the y is 19
for y=23, hmm
23=2x-1
24=2x
12=x
the x value would be 12

Answer 2

The rule is y = x × 3 - 1