Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 4x2 + 16x + 14
A. minimum at (-2, 0)
B. minimum at (-2, -2)
C. maximum at (-2, 0)
D. maximum at (-2, -2)
Answer: B
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Solve the problem.In the weighted voting system 
,
A. P1 and P2 have equal power, P3 is not a dummy. B. P1 and P2 have equal power, P3 is a dummy. C. P1 has all the power, P2 and P3 are dummies. D. all three players have equal power. E. none of these
The resistor current is 50.2 A. The coil current is 65.6 A. Find the total current. (See illustration.) Use the rules for working with measurements.
A. 82.6 A B. 84.8 A C. 79.3 A D. 115.8 A E. 83.7 A
Suppose the production function for a product is 
, where x is the capital expenditures and y is the number of work-hours. Find the marginal productivity of x.
?
A. 
B. 
C. 
D. 
E. 
Solve the equation and check your solution. If there is no solution, say so.
- 
= 
A. y = -42
B. No solution
C. y = 42
D. y = 