Determine whether or not the graph is a graph of a function of x.
A. Function
B. Not a function
Answer: A
Mathematics
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Write the equation of the circle that satisfies the following conditions. Express the final equation in the form x2 + y2 + Dx + Ey + F = 0.Center at the origin and r = 3
A. x2 + y2 = 0 B. x2 - y2 - 9 = 0 C. x2 - y2 + 9 = 0 D. x2 + y2 + 9 = 0 E. x2 + y2 - 9 = 0
Mathematics
Solve the problem.Find the area of a rectangle that measures 4 inches by 2 feet. Give the area in square inches and in square feet.
A. 96 sq. in.; 
sq. ft
B. 144 sq. in.; 1 sq. ft
C. 96 sq. in.; 
sq. ft
D. 
sq. in.; 96 sq. ft
Mathematics
Determine the intervals of the domain over which the function is continuous.
A. (-?, 0] B. (0, ?) C. [0, ?) D. (-?, ?)
Mathematics
Simplify.15 - (-17) + (-7)
A. -5 B. 5 C. 25 D. -9
Mathematics