Find the exact value. If the value of the function is not defined, write undefined.sin(-180°)
A. Undefined
B. 0
C. 1
D. -1
Answer: B
Mathematics
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Find the limit.
A. 1
B. 
C. ?
D. 
Mathematics
Divide and simplify.
÷ 
A. - 
B. 
C. 
D. 
Mathematics
Solve the variation problem.The distance that a spring is stretched by a hanging object varies directly as the mass of the object. If an object with a mass of 4 kg stretches a spring 25 cm, find the stretch when the object has a mass of 15 kg.
A. 44 cm B. 2.4 cm C. 4.15 cm D. 93.75 cm
Mathematics
Find the consumer surplus at the equilibrium point.D(x) = 5x +3; x = 0
A. $0 B. $3 C. $5 D. $8
Mathematics