Give two parametric representations for the plane curve.x = 
, y ? -2
What will be an ideal response?
Answers will vary. One possible representation is as follows:
x = 
, y = t, t ? -2
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Use the ordinary annuity formula to determine the accumulated amount in the annuity. Round the answer to the nearest cent.$1000 invested annually for 12 years at 5% interest compounded annually
A. $3420.68 B. $35,917.13 C. $14,206.79 D. $15,917.13
Provide an appropriate response.Simplify: -4 - (-10)
Fill in the blank(s) with the appropriate word(s).
State the domain of the rational expression.
A. {x|x ? 2}
B. {x|x ? 
, 2}
C. {x|x ? -2}
D. All real numbers
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 Cowling's Rule to find the difference in a child's dosage for a 9-year-old child and a 6-year old child. Express the answer as a single rational (or fractional) expression in terms of D.
A. 
D
B. 3D
C. 
D
D. 
D