Select the correct texts in the table. Consider function f.
A-4x2 +63 + 36, I <-2
45 – 15,
-2 f13) =
I > 4.
Are the statements about the graph of function ftrue or false?
true
false
true
false
The graph crosses the y-axis at (0, -15).
The graph has a point of discontinuity at x = -2.
The graph is increasing over the interval (4, 0).
The graph is decreasing over the interval (-12, -2).
The domain of the function is all real numbers.
true
false
true
false
true
false
Reset
Next

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?