Find the domain of the function.f(x) = x2 + 6
A. {x|x ? -6}
B. {x|x > -6}
C. {x|x ? -6}
D. all real numbers
Answer: D
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Find the amount of interest earned by the deposit.$1000 at 7% compounded semiannually for 10 years
A. $1989.79 B. $922.50 C. $989.79 D. $967.15
Solve the differential equation.
- 
= ( ln x)2
A. y = 
(ln x) 3 + cx
B. y = x (ln x) 3 + cx
C. y = 
x (ln x) 3 + cx
D. y = 
x3 + cx
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
B = 30.4°, c = 3.4 mm
A. a = 2.9 mm, A = 59.6°, b = 2.1 mm B. a = 2.1 mm, A = 59.6°, b = 2.7 mm C. a = 2.9 mm, A = 59.6°, b = 1.7 mm D. a = 1.7 mm, A = 59.6°, b = 2.9 mm
Solve the problem.An electrician is working on a project for which she will need to run straight conduit pipe for lengths of 20 feet, 70 feet, and 140 feet. She wants to precut pieces of pipe to one standard length so that she can connect the pieces to obtain the three lengths she needs. What is the longest length that she can make the precut pieces?
A. 8 ft. B. 5 ft. C. 12 ft. D. 10 ft.