Factor the trinomial by grouping.4x2 - 4x - 35
A. (2x + 7)(2x - 5)
B. (2x - 7)(x + 5)
C. (2x - 7)(2x + 5)
D. prime
Answer: C
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Solve the problem.The graphs below show the first and second derivatives of a function y = f(x). Select a possible graph of f that passes through the point P.f'?f"
?
A. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
B. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
C. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
D. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximative value rounded to 2 decimal places.
A. not a real number
B. rational, 3
C. irrational, -7.94
D. irrational, 7.94
Find the reference angle 
.
?
?
A. 
B. 
C. 
D. 
E. 
Suppose the probability of suicide among a certain age group is 0.006. If a randomly selected group of 150 Native Americans within this age group had no suicides, find the probability of this occurring by chance. Round your answer to four decimal places. ?
A. 0.3818 B. 0.3595 C. 0.4055 D. 0.2221 E. 0.2661