Find the vertex of the parabola.f(x) = 4x2 + 40x + 96
A. (-5, -4)
B. (-4, -5)
C. (4, 5)
D. (5, 4)
Answer: A
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A hypothesis test is to be performed. Describe the two possible outcomes of the test using the context of the given situation.The governor of a state claims that since his tax cuts have taken effect, the unemployment rate has dropped. The unemployment rate in the state had been 6.3% prior to the tax cuts.The hypotheses are as follows:Null hypothesis: unemployment rate = 6.3% Alternative hypothesis: unemployment rate < 6.3%
A. Rejecting the null hypothesis means there is insufficient evidence that the unemployment rate is equal to 6.3%. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the unemployment rate is equal to 6.3%. B. Rejecting the null hypothesis means there is evidence that the unemployment rate is less than 6.3%. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the unemployment rate is less than 6.3%. C. Rejecting the null hypothesis means there is evidence that the unemployment rate is not equal to 6.3%. Accepting the null hypothesis means there is evidence to conclude that the unemployment rate is equal to 6.3%. D. Rejecting the null hypothesis means there is evidence that the unemployment rate is less than 6.3%. Accepting the null hypothesis means there is evidence to conclude that the unemployment rate is equal to 6.3%.
Solve. 9m2 - 9m = 0
A. 0 B. 1, 0 C. 1, - 1 D. - 1, 0
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = - 
, tan ? > 0Find cos (2?).
A. 
B. - 
C. 
D. 
Perform the indicated multiplication.-20(16)
A. -336 B. -300 C. 300 D. -320