Find the reciprocal, if it exists.0.5
A. -2
B. 1
C. 2
D. -0.5
Answer: C
Mathematics
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Find the derivative.y = 
x6
A. 2x7
B. 
x6
C. 18x5
D. 2x5
Mathematics
Solve the problem.You brake your car from a speed of 65 mph. The table shows data that represent your car's speed versus the amount of time elapsed from the moment that you began to brake.
Graph the data. What is the slope of the line segment that represents the period of time during which the speed decreases?
A. 
The slope of the decrease is -10.
B. 
The slope of the decrease is -9.
C. 
The slope of the decrease is -9.
D. 
The slope of the decrease is 9.
Mathematics
Solve the given equation for x.y = 7 cos-1 
A. x = 4 cos 7y
B. x = 4 sin 7y
C. x = 7 cos 
D. x = 4 cos 
Mathematics
Write the Roman numeral as a Hindu-Arabic numeral.
DCLV
A. 6655 B. 42,655 C. 43,655 D. 41,655
Mathematics