Use a computer algebra system (CAS) to solve the given initial value problem.y' = 
, y(0) = 4
A. y = 7 ln
- 7x + 4
B. y = 8 tan-1 x - x + 4
C. y = 14 tan-1 x - 7x + 4
D. y = 14 tan-1 x - 7x
Answer: C
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Evaluate the geometric series or state that it diverges.1 + (-7) + (-7)2 + (-7)3 + (-7)4 + . . .
A. diverges B. 49 C. 7 D. 70
Solve the problem.The distance s (in ft) above the ground for a projectile fired vertically upward with a velocity of 325 ft/s as a function of time t (in s) is given by s = 325t - 16t2. Find t for v = 0. Round your answer to the nearest tenth of a second.
A. 72.1 s B. 10.2 s C. 4.5 s D. 20.3 s
Perform the indicated operation.-64 ÷ (-8)
A. 9 B. 8 C. -9 D. -8
Solve the problem.In a certain coastal basin, the sea water contains 3.4 grams of salt per 1000 milliliters of water. How many grams of salt would be in 2 liters of the sea water?
A. 6.8 grams B. 680 grams C. 68 grams D. 0.068 grams