Find the root. 
A. 4
B. 3
C. 48.6
D. Not a real number
Answer: B
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Solve the problem.The output voltage for an AC generator is approximated by v = 156 cos 
. Find the smallest positive value of t for which the output is 144 volts. Round values to 4 decimal places.
A. 0.0038 B. 0.0086 C. 0.0028 D. 0.0076
Medication is prescribed to a child who weighs 25 lb. The label says that for pediatric patients, 5 g of this medication is to be administered for every 10 lb of body weight. How much medication should this child be given?
A. 50 g B. 10.5 g C. 5 g D. 12.5 g
Provide an appropriate response.Solve the inequality: x + 2 < 7 < 2x - 3
A. all real numbers B. no solution C. x = 5 D. x < -5 or x > 5
Use identities to simplify the expression. Do not use a calculator.
A. cot 14° B. sin 14° C. tan 14° D. cos 14°