Find the vertex of the given parabola.f(x) = -2x2 + 16x - 29
A. (4, 3)
B. (-3, -4)
C. (3, 4)
D. (-4, -3)
Answer: A
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Rewrite the series using summation notation. Use 1 as the lower limit of summation.- 
+ 
- 
+ . . . - 
A. 
B. 
C. 
D. 
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 10-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. 
D
C. 
D
D. 4D
Solve the problem.According to his ultra-precise scale, Paul gained 3.609 pounds in a three-month period. Round this amount off to the nearest hundredth.
A. 0.61 pounds B. 3.62 pounds C. 3.6 pounds D. 3.61 pounds
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The height of a ball thrown from the ground, as a function of time.
A. quadratic; positive B. linear; negative C. linear; positive D. quadratic; negative