Which statement about the quadratic parent function is true? B. The graph is symmetrical about the x-axis.
C. The graph is symmetrical about the y-axis.
C. The graph has a maximum point.
D. The graph has symmetric points (-3, -9) and (3, -9).

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

What is the y-intercept of the line given by the equation

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.