With tables A, B and D, we have repeated input (x) values.
Table A has x = 4 repeated. So the input x = 4 leads to both outputs y = 2 and y = 7 at the same time. With any function, we must have exactly one and only one output for any given input. So this is why table A is not a function. Tables B and D are not functions for similar reasons.
Table C on the other hand has unique inputs that do not repeat. The input x = 4 only leads to y = 3, x = 6 pairs with y = 5, and x = 2 outputs to y = 7. Therefore we have a function here.
Answer from: Quest
step-by-step explanation:
a rhombus is a parallelogram enjoying his symmetry.
Answer from: Quest
my guess would be b and d, but i didn’t actually get out the pen and paper. lol
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