Graph the equation using a graphing calculator.r = 2?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Express the number as the ratio of two integers.0.77777 . . .
A. 
B. 
C. 
D. 
Mathematics
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -2 + 9 cos tFind the body's velocity at time t = ?/3 sec.
A. 
m/sec
B. - 
m/sec
C. - 
m/sec
D. 
m/sec
Mathematics
Perform the conversion. Round to the nearest tenth when necessary.5 km to mi
A. 3.1 mi B. 4.7 mi C. 5.3 mi D. 8.1 mi
Mathematics
Graph the function.f(x) = ex - 5
A. 
B. 
C. 
D. 
Mathematics