Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
A. Yes
B. No
Answer: B
Mathematics
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At what points is the given function continuous?f(x, y, z) = ln(x + y + z - 8)
A. All (x, y, z) such that x + y + z ? 8 B. All (x, y, z) such that x + y + z > 8 C. All (x, y, z) D. All (x, y, z) in the first octant
Mathematics
Write the mixed number as a decimal.15
A. 15.
B. 15.
C. 15.3
D. 15.33
Mathematics
Find the flux of the vector field F across the surface S in the indicated direction.F = 2xi + 2yj + z5k; S is portion of the cylinder x2 + y2 = 9 between z = 0 and z = 2; direction is outward
A. 36 B. 72 C. 72? D. -72?
Mathematics
Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. 116
B. 111/10
C. 
D. 117/10
Mathematics