A function is an equation that has only one answer for y for every x. This means that:
Set A and Set C are functions because their y values don’t repeat.
Set B is NOT a function because the 2 in the y values repeats twice.
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Answer:
Your answer is
That man buy 2 shirts in Rs 410.25.
He sold 1st shirt at Rs 451.275 where he profited 10%.
He sold 2nd shirt at Rs 348.7 where he lost 10%.
Total sold = 2 shirts = (451.275+348.7)= 800(About)
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Answer:
ordered pair(-2 , 3) is the solution
Step-by-step explanation:
y=x+5
y=-2x-1
x+5 = -2x-1 substitution
x+5+2x-5 = -2x-1+2x-5
3x = -6
x = -2
y = -2+5 = 3
ordered pair(-2 , 3) is the solution
