Find the inverse of the following one-to-one function.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Answer: A
Mathematics
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Find an equation for the parabola described.Vertex at (0, 0); focus at (-19, 0)
A. x2 = -76y B. y2 = 76x C. y2 = -76x D. y2 = -19x
Mathematics
Solve the problem.On a recent trip, Sarah's car traveled 20 mph faster on the first 130 miles than it did on the remaining 80 miles. The total time for the trip was 4 hr. Find the speed of Sarah's car on the first part of the trip.
A. 62 mph B. 10 mph C. 42 mph D. 39 mph
Mathematics
Name the quadrant in which the angle ? lies.cot ? > 0, sin ? < 0
A. I B. II C. III D. IV
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Multiply.-8(-4)
A. -32 B. -24 C. 22 D. 32
Mathematics