Add or subtract as indicated.
+ 1
A. - 
B. 
C. - 
D. 
Answer: B
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Provide an appropriate response.Derive the equations x = x0 + 
(1 - e-kt)cos ?, y = y0 + 
(1 - e-kt)sin ? + 
(1 - kt - e-kt)by solving the following initial value problem for a vector r in the plane. Differential equation: 
= -gj - kv = -gj - k
Initial
conditions: r(0) = x0i + y0j 
(0) = v0 = (v0cos ?)i + (v0sin ?)jThe drag coefficient k is a positive constant representing resistance due to air density, v0 and ? are the projectile's initial speed and launch angle, and g is the acceleration of gravity.
What will be an ideal response?
State whether the matrix is in reduced form or not in reduced form.
A. Not Reduced Form B. Reduced Form
Solve the problem.The population of a town is increasing by 200 inhabitants each year. If its population at the beginning of 1990 was 28,402, what was its population at the beginning of 1997?
A. 198,772 inhabitants B. 29,602 inhabitants C. 397,544 inhabitants D. 29,802 inhabitants
A wheel with radius r rotates at 6 rpm.
?
Find v if 
ft. Round to the nearest foot per minute.
?
A. 135 ft/min B. 151 ft/min C. 185 ft/min D. 82 ft/min E. 63 ft/min