Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function
B. not a function
Answer: B
Mathematics
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Determine the principal value without using a calculator.- 
A. -12 B. -5 C. Not a real number D. 5
Mathematics
Solve.A bridge with a semi-elliptical arch extends over a river as shown. Find an equation of the ellipse that represents the arch of the bridge.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Use the intermediate value theorem to approximate the one real zero on the given interval. Round your answer to two decimal places.f(x) = x3 - 8x - 3; [-3, -2]
A. -0.38 B. 2.62 C. 0.38 D. -2.62
Mathematics
Divide.6,188 ÷ 28
A. 221 B. 222 C. 222 R 18 D. 221 R 19
Mathematics