4.01) Given the relation y = -4x^2- 8, if the input is 2, what is the output? (4 poin 1) 8 2-8 3) -16 4) - 24 Question 5 (4 points) ✓ Saved

Solve for x where 0 equation: cot^2x+2cotx+1=0

What number gives you a irrational number when added to 2/5

Anull hypothesis states that the difference between 8 hours of sleep and 3 hours of sleep has no effect on the number of pictures a student will remember during a picture memory interface test (pmit). examining the mit database, an extremely small t-value of 0.1611 is found. this t-value is much smaller than the smallest t-value on the chart for p-value reference. from this information we can: select one: a. accept the null hypothesis because the p-value obtained shows that the difference between the two groups being tested is not statistically significant b. accept the null hypothesis because the p-value obtained was statistically significant c. reject the null hypothesis because of the p-value obtained d. reject the null hypothesis because the data obtained is statistically significant