Choose the graph that matches the function. f(x) = 1
A. 
B. 
C. 
D. 
Answer: A
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Write the number as a product of primes.77
A. 7 ? 7? 11 B. 7 ? 13 C. 7 ? 11 D. 2 ? 7 ? 13
Write the product as a sum or difference containing only sines or cosines.sin(6?) sin(4?)
A. 
[sin(10?) + cos(2?)]
B. 
[cos(10?) - cos(2?)]
C. sin2(24?2)
D. 
[ cos(2?) - cos(10?)]
Add or subtract as indicated. Express the answer as a single polynomial in standard form.6(1 - y3) - 4(1 + y + y2 + y3)
A. 10y3 - 4y2 - 4y + 2 B. -10y3 - 4 - ay2 - 4y + 2 C. -10y3 + 4y2 - 4y - 2 D. -10y3 - 4y2 - 4y + 2
Provide an appropriate response.The life expectancy (in hours) of a fluorescent tube is normally distributed with mean 7,000 and standard deviation 1,000. Find the probability that a tube lasts for more than 8,900 hours.
A. 0.0281 B. 0.9719 C. 0.0287 D. 0.9713