Answer:
What do you need help with?
No it is not a function, because a function cannot have more than one output per input. When x=-3, there are two solutions shown: (-3,2) and (-3,3), therefore it cannot be a function.
In other words, how many ways are there to choose
objects from a total of
objects? Just one; take all of them at the same time.
Answer:
Step-by-step explanation:
-5x-4y=-4 ...(1)
25x+ 20y = 20 ....(2)
multiply (1) by -5 you have : 25x+ 20y = 20 ....(2) same equation , same line
so : The system has infinitely solutions.
Answer:
3/2 or 1 1/2
Step-by-step explanation:
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