For problems 4-7, use interval notation to represent the number line graph.

A.
B.
C.
D.
E. none of these


Answer: B

Mathematics

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Calculate the flux of the field F across the closed plane curve C.F = yi - xj; the curve C is the circle (x - 9)2 + (y - 9)2 = 121

A. -198 B. 0 C. 396 D. 198

Mathematics

Find the x- and y-intercepts. If no x-intercepts exist, state so. Round to two decimal places if necessary.f(x) = -x2 + 4x - 8

A. , (0, -8)
B. No x-intercepts, (0, 8)
C. No x-intercepts, (0, -8)
D. , (0, 8)

Mathematics

Find the exact value of the expression.cos  cos  + sin  sin 

A. 1
B.
C.
D.

Mathematics

Simplify the expression.3-8 ? 35

A. 9
B.
C. 27
D.

Mathematics