Yea u have to do that the most effective is the 10 bc penny is right
Answer: A and D
Step-by-step explanation:
Table B : not a function the value of x=3 has two images
Table C: not a function the value of x=1 has two images
Tables A and D are functions
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He needs 138 bars to feed them.if he bought 14 packs of 10 granula bars he would have 140 thus 2 will be left. so the answer is A
