Solve the problem.A beverage company works out a demand function for its sale of soda and finds it to be x = D(p) = 2,900 - 21pwhere x = the quantity of sodas sold when the price per can, in cents, is p. At what prices, p, is the elasticity of demand inelastic?
A. For p > 30,450 cents
B. For p < 69 cents
C. For p > 276 cents
D. For p < 138 cents
Answer: B
Mathematics
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Solve the differential equation subject to the initial conditions.x2
- 3xy = -x5 sec x tan x; x > 0; x = ? when y = 0
A. y = - 
- x2 , x > 0
B. y = - 
- x3 , x > 0
C. y = 
+ x2 , x > 0
D. y = 
+ x3 , x > 0
Mathematics
Solve the problem. Use 3.14 for ?.A circular fountain has a statue in its center, 7 m from the edge. What is the distance around the fountain? Round results to the nearest tenth of a unit.
A. 49.0 m B. 42.0 m C. 44.0 m D. 22.0 m
Mathematics
Subtract. Write the answer in lowest terms.
A. 12
B. 9
C. 9
D. 8
Mathematics
Factor completely. If the polynomial is prime, say so.3x2 + x - 4
A. (3x + 4)(x - 3) B. (3x - 4)(x + 1) C. (3x + 4)(x - 1) D. (3x + 1)(x - 1)
Mathematics