Solve the problem.Find a polynomial for the perimeter of the figure.
A. 35a + 14
B. 35a + 9
C. 44a
D. 44
Answer: B
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Calculate the surface area of the given surface.The surface f(x,y) = x2 + y2, -1 ? x, y ? 2. (Hint: Do the first integral by substitution or using a formula from the Table of Integrals. Use numerical integration to do the outer integral.)
A. 35.5222 B. 18.4734 C. 25.3332 D. 29.3516
Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.
x = 3; multiplied
A. 3
B. - 
C. 
D. 9
Find the domain of the function.f(x) = 
A. x ? -1 B. x < 0 C. x ? 1 D. x > 0
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 7.7 millimeters at a distance of 100 kilometers from its epicenter? Round the answer to the nearest tenth.
A. 2.7 B. 2.9 C. 886.5 D. 3.9