0 < a < ∞
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What is the interval notation of -1<5x+1<4
Yes.
A function is positive on an interval, say, the interval from x=a to x=b, if algebraically, all the y-coordinate values are positive on this interval; and graphically, the entire curve or line lies above the x-axis.on this interval.
8.73E4, scientific notation involves a number from 1 to 9 and the appropriate exponernt of ten represented by 'E". the exponent can be positive or negative.