Solve the problem.A reflecting telescope contains a parabolic mirror. If the mirror is 18 inches across at its opening and is 2 feet deep, where will the light be concentrated?
A. 0.1 in. from the vertex
B. 0.8 in. from the vertex
C. 10.1 in. from the vertex
D. 0.2 in. from the vertex
Answer: B
Mathematics
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Evaluate the surface integral of the function g over the surface S.G(x, y, z) = x + z; S is the surface of the wedge formed from the coordinate planes and the planes 
and y = 1
A. 
+ 25
B. 150 + 25
C. 
+ 25
D. 
+ 5
Mathematics
Solve the equation. Express radicals in simplest form.2x2 = 30
A. {16}
B. {15}
C. {-
, 
}
D. {-15, 15}
Mathematics
Identify the triangle as scalene, isosceles, or equilateral.
A. Scalene B. Equilateral C. Isosceles
Mathematics
Expand the expression using the Binomial Theorem.(g - 2h)3
A. g3 - 3g2h + 6gh2 - 2h3 B. g3 - 6h2g + 12hg2 - 8h3 C. g3 - 8h3 D. g3 - 6g2h + 12gh2 - 8h3
Mathematics