Answer:
see attached
Explanation:
The function is increasing when it slopes upward, left to right.
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Each tick mark on the horizontal axis is 1 unit. Tick marks to the left of the vertical axis are negative numbers; those to the right are positive numbers. The first (leftmost) red dot on the curve aligns with the third tick mark to the left of the vertical axis, so has an x-coordinate of -3.
The arrow on the left end of the curve means the curve extends to (-∞, -∞), so is rising (increasing) on the interval (-∞, -3).