PLEASE HELP ! I need this grade . For each equation, tell whether it is always, sometimes, or never true. Explain your reasoning
by showing your steps or using words.
a) 5 - 22 = 6
b) y + 5 =
9+10
2
c) 3.c + 7 = 3 (x + 1)
d) 5x-1=9
a) 5 - 22 = 6
b) y + 5 =
9+10
2
c) 3.c + 7 = 3 (x + 1)
d) 5x-1=9
1 answer:
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The first 5 outputs are:
As you can see, the outputs keep doubling each time we increment x by 1.
This can be written formally, observing that if you know the value of , the next value will be
So, again, we've shown that the next value is twice the previous one, so you have