Solve the given equation for the indicated variable. (Leave ± in the answer, if appropriate)x = ± 
for r
A. r = ± 
B. r = ± 
C. r = x + y
D. r = ± 
Answer: A
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Determine either absolute convergence, conditional convergence or divergence for the series.
A. Converges conditionally B. Converges absolutely C. Diverges
Solve the problem.A camera costs $380. If the sales tax rate is 7%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $266.00, $646.00 B. $26.60, $406.60 C. $22.80, $402.80 D. $30.40, $410.40
Solve the problem.The weight W of a bird's brain (in ounces) is related to the volume V of the bird's skull (in cubic ounces) through the function W(V) = 3.49
+ 1.18.(a) Express the skull volume V as a function of brain weight W.(b) Predict the skull volume of a bird whose brain weighs 3 oz.
What will be an ideal response?
Provide an appropriate response.For the function f(x) = 3x2 - 4x + 7, find f(a) + f(1).
A. 3a2 - 4a + 15 B. 3a2 + 4a - 13 C. 3a2 + 4a + 15 D. 3a2 - 4a + 13