6/10 ÷ 4/5 KCF.....................................
1 answer:
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1. The rule is that for something to be a function, one input(x-value) can ONLY HAVE ONE output(y-value). If one input has more than one output, it is not a function. Your answer is #1 because you can only have 1 output
2. Since you've been given the input -> x = -10, substitute/plug it into the equation to find the output:
Plug in -10 into "x"
y = -15 + 6
y = -9 Your answer is #2