Solve the problem.A company has found that its rate of expenditure (in hundreds of dollars) on a certain type of job is given by 
where x is the number of days since the start of the job. Find the total expenditure if the job takes 8 days.
A. $160
B. $36
C. $16,000
D. $3600
Answer: C
Mathematics
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Verify the identity.
= cot 
What will be an ideal response?
Mathematics
Decide whether or not the network is traversable.
A. Not traversable B. Traversable
Mathematics
If the sides of a triangle are a, b, and c and they satisfy a2 + b2 = c2, the triangle is a right triangle. Determine whether the triangle with the given sides is a right triangle.a = 3, b = 4, c = 5
A. Yes B. No
Mathematics
Perform the indicated operations and express your answer in the form a + bi. 
A. ±4
B. -4i
C. 4i
D. -i
Mathematics