Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Let f(x,y) = ln (x2 + y2). Which one of the following curves is a simple closed path in the domain of the function f?
A. The unit circle x2 + y2 = 1
B. The ellipse 
+ 
= 1
C. The rectangle with vertices at (-3, 2), (3, 2), (3, -2), and (-3, -2)
D. The unit circle (x - 5)2 + y2 = 1
Mathematics
Find the eccentricity of the ellipse.x2 + 36y2 = 36
A. 
B. 
C. 
D. 
Mathematics
Solve.A phone costs $67 and a battery recharger costs $23. What is the total price for purchasing these items if the sales tax rate is 7%?
A. $153.00 B. $90.00 C. $96.30 D. $6.30
Mathematics
Identify the number as prime, composite, or neither.60
A. Neither B. Composite C. Prime
Mathematics