Provide an appropriate response.If the point (a, b) is in the fourth quadrant, in what quadrant is (a, -b)?
A. II
B. I
C. IV
D. III
Answer: B
Mathematics
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Calculate.
A. -200.53 B. -424 C. -429.71 D. 228.57
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = 4, 0 < ? < 
Find cos 
.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the given function. Round to the nearest thousandth.f(x) = e2x + 1, f(1.9)
A. 18.174 B. 121.510 C. 49.402 D. 16.445
Mathematics
Find the domain of the rational function.f(x) = 
A. {x|x ? 0, x ? 9} B. {x|x ? -3, x ? 3, x ? -9} C. {x|x ? -3, x ? 3} D. all real numbers
Mathematics