Solve the exponential equation.4(1 + 2x) = 64
A. 4
B. -1
C. 1
D. 16
Answer: C
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Solve the problem.A spring with a spring constant k of 300 newtons per meter is loaded with a 12-kilogram mass and allowed to reach equilibrium. It is then stretched an additional 0.4 meter and released. Find the equation of motion. Neglect friction.
A. y = 0.4 sin 25t B. y = 0.4 cos 5t C. y = 0.4 sin 5t D. y = 0.4 cos 15.653t
Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
2 = 
A. 
B. 
C. 
D. 
Simplify the radical. Assume that all variables represent positive real numbers.
A. x2
B. x2
C. x
D. x2
Solve the problem.Linda is staying at a ski resort. She is hoping for cold temperatures for the best skiing conditions. The minimum temperatures for the last three nights have been 
and 
Which of these temperatures was the coldest?
A. -4.1°C B. -1°C C. -3.9°C