Is the relation a function?y = x2 + 2x + 4
A. Yes
B. No
Answer: A
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Solve.The time in hours it takes a satellite to complete a circular orbit about the earth varies directly as the radius (from the center of the earth) of the orbit and inversely as the orbital velocity. If a satellite completes an orbit 
above the earth in 
at a velocity of 
how long would it take a satellite to complete an orbit if it is circling 1,700 km above the earth at 
alt="" style="vertical-align: -4.0px;" /> (Assume the radius of the earth is 
A. 580 min
B. 120 min
C. 220 min
D. 190 min
Determine whether the given points are on the graph of the equation.y = x3; (4, 12)
A. Yes B. No
Write interval notation for the graph.
A. (-3, 1] B. [-3, 1) C. [-1, 3) D. (-1, 3]
Based on the ordered pairs seen in the pair of tables, make a conjecture as to whether the function defined in Y1 is even, odd, or neither even nor odd.
A. Odd B. Neither even nor odd C. Even