Solve the problem.Find the area A and circumference C of a circle of diameter 22 mi. Use 3.14 for ?. Round the result to the nearest tenth.
A. A = 62.8 ft2; C = 15.7 ft
B. A = 31.4 ft2; C = 31.4 ft
C. A = 314 ft2; C = 15.7 ft
D. A = 78.5 ft2; C = 31.4 ft
Answer: D
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A. 16 in. and 5 in. B. 8 in. and 10 in. C. 4 in. and 20 in. D. 64 in. and 100 in.
Find the end behavior of the polynomial function. f(x) = -3x2 + 7x3 + 6x + 7
A. f(x) ? -? as x ? -?; f(x) ?- ? as x ? ? B. f(x) ? -? as x ? -?; f(x) ? ? as x ? ? C. f(x) ? ? as x ? -?; f(x) ? ? as x ? ? D. f(x) ? ? as x ? -?; f(x) ? -? as x ? ?
Find the sum of the infinite geometric series.
A. 
B. 
C. 
D. 
E. undefined
Find the midpoint of the segment with the given endpoints.(-4, -5) and (1, 6)
A. 
B. 
C. 
D. 