what is 4x + 1 over 3 y2 when x=3 and y=6. Please show your work and tell me in a descriptive way how you got the answer!!! please, I am having a ton of trouble on this and if you get it right you get brainliest for a week

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811