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ineedhelp2285
26.06.2019 •
Mathematics
What is the restriction of the equation 4y(8y+24)^-1 my choices are either y cannot equal +3 or y cannot equal -3
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Ответ:
y cannot equal -3.
Step-by-step explanation:
Rewrite 4y(8y+24)^-1 to make it more obvious that this is a rational quantity:
4y 4(y) y
= =
(8y+24)^1 8(y+3) 2(y+3)
The only y value for which this function is undefined is y = -3. At that value of y, the fraction is undefined due to division by zero.
Thus, the correct answer is "y cannot equal -3."
Ответ:
Step-by-step explanation:
Point B(2, 8) reflect to x-axis
It means the x value won't change, the only thing that will change is the y value.
According to it, we can know that B' is (2, -8)
(2, -8) → (-8, 2+4) = (-8, 6) = B''