How many times does the quadratic function below intersect the x-axis? y=x^2+3x+15

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Step-by-step explanation:

means I don't know

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.