Two formulas that approximate the dosage of a drug prescribed for children are: Young's Rule: C = 
and Cowling's Rule: C = 
.In each formula, A = the child's age in years, D = an adult dosage, and C = the proper child's dosage. The formulas apply for ages 2 through 13. Use these formulas to solve the problem.Use Young's Rule to find the difference in a child's dosage for a 13-year-old child and a 5-year-old child. Express the answer as a single rational (or fractional) expression in terms of D.
A. 
D
B. 
D
C. 
D
D. 
D
Answer: C
Mathematics
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Use the Instructional Algorithm for addition or subtraction to perform the operation.15 + 44
A. 59 B. 49 C. 56 D. 69
Mathematics
Use De Moivre's Theorem to find the indicated power of the complex number. Write your answer in standard form a + bi.(- 
+ i)6
A. 64 - 64
i
B. 64i
C. -64
D. -64
+ 64i
Mathematics
Determine whether the graphed relation is a function.
A. function B. not a function
Mathematics
Graph the function using transformations.f(x) = 
+ 1
A. 
B. 
C. 
D. 
Mathematics