Add or subtract as indicated. Simplify, if necessary.
+ 
A.
B.
C.
D.
Answer: A
Mathematics
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Solve the problem.An object at the end of a spring is immersed in liquid. Its velocity (in cm/s) is then described by the equation where t is the time (in s). Find the displacement s as a function of t if s = -4 cm for t = 0.
A. s = -e-2t - e-8t -
B. s = e-2t + e-8t -
C. s = -e-2t + e-8t +
D. s = -e-2t - e-8t +
Mathematics
Graph the system of inequalities.y < -x + 8y > 8x - 3
A.
B.
C.
D.
Mathematics
Solve the equation.log3 x + log3(x - 24) = 4
A. {53} B. {-3, 27} C. {27} D. ?
Mathematics
Perform the indicated operations. 0.225 ÷ 1000
A. 0.00225 B. 0.0000225 C. 225 D. 0.000225
Mathematics