give solution of the equation
2x+y=-3
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Step-by-step explanation:
y = 2x +1 This is the equation of a straight line with slope 2 and y-intercept 1, so it IS a function. ... The value for y can then be ±2, so this IS NOT a function. y3 = x2 No matter what value we set for x, we'll get only one value for y, so this IS a function.
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