Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 4.5 in.
A. 14.1 in.; 56.5 in.2
B. 14.1 in.; 254.3 in.2
C. 28.3 in.; 28.3 in.2
D. 28.3 in.; 63.6 in.2
Answer: D
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Find fx, fy, and fz.f(x, y, z) = e(yz + sin x)
A. fx = (cos x)e(yz + sin x); fy = e(yz + sin x); fz = e(yz + sin x) B. fx = (cos x)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) C. fx = e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) D. fx = (cos x + yz)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x)
Solve the application.Find the area of the skating rink. Use ? ? 3.14 and round to the nearest tenth if necessary.
A. A ? 932.2 yd2 B. A ? 1412.2 yd2 C. A ? 1864.3 yd2 D. A ? 1384.3 yd2
The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(5, 
)
A. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
B. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
C. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
D. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
Solve. If no solution exists, state this.
- 1 = 
A. 17
B. 13
C. 
D. - 