Evaluate or simplify the given expression.cos(2 cos-1 x)
A. 1
B. 2x2 - 1
C. 2x2 + 1
D. -1
Answer: B
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Determine convergence or divergence of the series.
A. Diverges B. Converges
Find the mistake, then find the correct answer.Solve for x: x2 - 4x + 10 = 0 line 1x = 
line 2 x = 
line 3 x = 
What will be an ideal response?
Find the probability.A company purchases shipments of machine components and uses this acceptance sampling plan: Randomly select and test 26 components and accept the whole batch if there are fewer than 3 defectives. If a particular shipment of thousands of components actually has a 7% rate of defects, what is the probability that this whole shipment will be accepted?
A. 0.5756 B. 0.7272 C. 0.2790 D. 0.1680
Solve the given differential equation.tan 
dq + p dp + q dq = 0
A. ln 
= -2q + c
B. ln 
= 2q + c
C. q = -2 ln 
+ c
D. ln 
= -2q