Solve the problem.If f(?) = cos ? and f(a) = - 
, find the exact value of f(a) + f(a - 2?) + f(a + 4?).
A. -12
B. - 
C. -36
D. - 
Answer: D
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Calculate. State the answer as a whole-number quotient and remainder.7790 ÷ 38
A. quotient 206; remainder 0 B. quotient 205; remainder 0 C. quotient 205; remainder 29 D. quotient 206; remainder 28
Find the extreme values of the function subject to the given constraint.
A. Maximum: 7 at 
minimum: -5 at 
B. Maximum: 4 at 
minimum: -5 at 
C. Maximum: 4 at 
minimum: -2 at 
D. Maximum: 7 at 
minimum: -2 at 
Find the property tax. Round to the nearest cent.
A. $5718.18 B. $69.19 C. $691.90 D. $57,181.82
Provide an appropriate response.A company must fill an order for 200 units of its product. It wishes to distribute the production between its two plants, plant A and plant B. The total cost function isc = 300qA + 200qB + 
+ 8000, where qA and qB are the number of units produced at plant A and plant B, respectively. To minimize costs, plant A and plant B should produce
A. 50 units and 150 units, respectively. B. 100 units and 100 units, respectively. C. 175 units and 25 units, respectively. D. 150 units and 50 units, respectively. E. 25 units and 175 units, respectively.