Solve the problem.The radius of a ball is claimed to be 4.5 inches, with a possible error of 0.05 inch. Use differentials to approximate the maximum possible error in calculating the volume of the sphere and the surface area of the sphere.
A. 1.8? in.3; 4.05? in.2
B. 0.9? in.3; 18? in.2
C. 4.05? in.3; 1.8? in.2
D. 8.1? in.3; 3.6? in.2
Answer: C
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Use the table to calculate the tax owed. Round to the nearest cent.
Married couple filing jointly with two dependent children Gross income: $94,000 Adjustments: none Deductions: $12,000 mortgage interest $2500 property taxes $5000 charitable contributions Tax credit: $2000
A. $3927.50 B. $6285.00 C. $4240.00 D. $8685.00
Solve the problem.Find a unit vector normal to the plane containing u = -i + j + 4k and v = 2i - 3j + k.
What will be an ideal response?
Write the whole number in the sentence in standard form.Last year the population of a city increased by two thousand, one hundred eight.
A. 21,008 B. 2108 C. 2018 D. 2180
Use the given information to find the exact value of the trigonometric function.sec ? = 4, ? lies in quadrant I
Find cos 
.
A. 
B. 
C. 
D. 