Solve the problem.A projectile is fired vertically upward. Its distance s (in m) above the ground is given by 
where t is the time 
. Find the acceleration of the projectile.
A. 9.8 m/s2
B. -4.9 m/s2
C. 389.2 m/s2
D. -9.8 m/s2
Answer: D
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List the intervals that the following integers, indicated as dots, do not fall into:?
–9
–4 –2
A.
–9 < n< –4, –4 < n
–2
B.
?n< –9, n> –2
C.
?–9 < n< –4, –4 < n< –2
D.
?n> –9 and n< –4, n> –4 and n< –2
E.
?n = –8, n = –3
List all the factors of the number.30
A. 1, 2, 3, 5, 6, 10, 15, 30 B. 1, 2, 3, 5, 6, 10, 20, 30 C. 1, 5, 6, 30 D. 5, 6, 10, 30
Give a geometric description of the set of points whose coordinates satisfy the given conditions.x2 + y2 + z2 = 36, z = 5
A. All points on the sphere x2 + y2 + z2 = 36 and above the plane z = 5 B. All points within the sphere x2 + y2 + z2 = 36 and above the plane z = 5 C. The sphere x2 + y2 + z2 = 25 D. The circle x2 + y2 = 11 in the plane z = 5
Plot the point having the given polar coordinates.
A. 
B. 
C. 
D. 