Solve the problem.Kimberly invested 
in her savings account for 7 years. When she withdrew it, she had 
. Interest was compounded continuously. What was the interest rate on the account? Round to the nearest tenth of a percent.
A. 3.9%
B. 3.7%
C. 3.8%
D. 3.95%
Answer: C
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos (3t)i + 2 ln (t - 4)j - 
k
A. v(0) = -
j
B. v(0) = 3i - 
j
C. v(0) = 
j
D. v(0) = -3i - 
j
Multiply or divide.(-6.7)(5)
A. 33.5 B. -335 C. -3.35 D. -33.5
Solve the problem.A projectile is fired with an initial velocity of 600 feet per second at an angle of 70° with the horizontal. In how many seconds will the projectile reach its maximum altitude? (Round your answer to the nearest tenth of a second.) The parametric equations for the path of the projectile are x = (600 cos 70°)t, and y = (600 sin 70°)t - 16t2.
A. 25.7 sec B. 17.6 sec C. 22.4 sec D. 14.2 sec
Graph the linear inequality.x + 4y < 5
A. 
B. 
C. 
D. 