Use the vertical line test to determine if the graphs are functions.
A. Yes
B. No
Answer: B
Mathematics
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Find the Jacobian J(u, v).
A. -100 B. -60 C. 60 D. 6000
Mathematics
Rewrite the number or expression as requested.(4 ? 1010) ? (7 ? 1012) (Write the result in scientific notation.)
A. 2.8 ? 1022 B. 2.8 ? 1023 C. 28 ? 1023 D. 2.8 ? 1021
Mathematics
Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 - 4 cos ?; the y-axis 
A. Symmetric about the y-axis B. May or may not be symmetric about the line y-axis
Mathematics
Solve the problem.A coin is tossed upward from a balcony 228 ft high with an initial velocity of 32 ft/sec. During what interval of time will the coin be at a height of at least 100 ft? (h = -16t2 + v0t + h0.)
A. 4 ? t ? 8 B. 3 ? t ? 4 C. 0 ? t ? 1 D. 0 ? t ? 4
Mathematics