Simplify the square root.
A. |3x - 5|
B. -3x + 5
C. (3x - 5)2
D. 3x - 5
Answer: A
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Show that the function is a solution of the wave equation.w(x, t) = sin (10x + 10ct)
A. No B. Yes
The weight w, in pounds, of a certain type of animal depends on its age in years. The weight satisfies the equation of change
.
?
A: Explain in practical terms the meaning of 
.
?
B: Make a graph of 
versus w. Include weights up to 45 pounds.C: At what weight is the animal gaining weight the fastest? Round your answer to two decimal places.D: To what weight does the animal grow? Round your answer to two decimal places.
What will be an ideal response?
What is the effective annual interest rate of an investment that pays 6.8% annual interest, compounded quarterly? Round to the nearest hundredth of a percent.
a. 6.98% b. 6.96% c. 7.02% d. 6.92% e. 6.80%
Solve the problem. Leave your answer in polar form.z = 10(cos 45° + i sin 45°)w = 5(cos 15° + i sin 15°)Find 
.
A. 2(cos 45° + i sin 45°)
B. 
(cos 30° + i sin 30°)
C. 2(cos 30° + i sin 30°)
D. 
(cos 45° + i sin 45°)