A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true.Sn: 2 + 7 + 12 + . . . + (5n - 3) = 
What will be an ideal response?
| S1: | 2   |
2 = 2 ?
S2: 2 + 7
9
9 = 9 ?
S3: 2 + 7 + 12
21
21 = 21 ?
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 16 cos 2t, v(0) = 9, s(0) = -11
A. s = 4 cos 2t - 9t - 7 B. s = 4 sin 2t + 9t - 7 C. s = - 4 sin 2t + 9t - 7 D. s = - 4 cos 2t + 9t - 7
Find the absolute value.
A. -10.416 B. 5.208 C. 0 D. -5.208
Find the indicated cross product.v = -6i + 5j, w = 2i - 2kFind w × v.
A. -12i - 10j + 10k B. 10i - 10j + 10k C. 4j + 30k D. 10i + 12j + 10k
An object moving vertically is at the given heights at the specified times. Find the position equation 
for the object.
At t = 1 second, s = 161 feet
At t = 2 seconds, s = 98 feet
At t = 3 seconds, s = 3 feet
a. 
b. 
c. 
d. 
e. 