4. Sketch a graph that has the following characteristics. (8 points: 2 points for each characı
a Crosses the yaxis at (0,4)
b. Increases in the interval -12 5x5 - 2
c. Constant in the interval -2 5x52
d. Decreases in the interval 25 x 12

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is