Use the given information to find the exact value of the trigonometric function.cos ? = - 
, ? lies in quadrant III
Find cos 
.
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Find the final balance in the check register.
A. $2440.84 B. $3415.22 C. $2896.37 D. $1972.96
Mathematics
Determine whether the improper integral is convergent or divergent, and calculate its value if it is convergent.
Mathematics
Given functions f and g, perform the indicated operations.f(x) = 
,g(x) = 
Find fg.
A. (
)(
)
B. (2x + 4)(2x - 5)
C. (2x - 5)(
)
D. (2x + 4)(4x - 25)
Mathematics
Find two positive real numbers whose product is a maximum and whose sum of the first number and four times the second is 160.
A. 
B. 
C. 
D. 
E. 
Mathematics