Find the HCF and LCM of 126 and 234?

Below in bold.

Step-by-step explanation:

Find the prime factors:-

126 = 2 * 3 * 3 * 7

234 = 2 * 3 * 3 * 13

So the GCF =  2 * 3 * 3 = 18.

The LCM = 2 * 3 * 3  * 7 * 13

= 1638.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

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