Find the domain of the function.y = 10 + 
A. all real numbers except -3
B. (-3, ?)
C. (-?, -3)
D. all real numbers except 3
Answer: A
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Is the function graphed below one-to-one?
A. No B. Yes
Solve the problem.A boat is sailing directly toward a lighthouse that is 120 ft tall. The angular size ? of the lighthouse is the angle formed by the lines from the top and bottom of the lighthouse to the observer on the boat, as shown in the figure. What is the rate of change of the angular size d?/dx when the boat is 350 feet from the lighthouse?
A. -0.00088 rad/ft B. -0.00877 rad/ft C. -0.00007 rad/ft D. 0.00450 rad/ft
Use the substitution formula to evaluate the integral.
A. - 
B. 
C. - 
D. 
Write the function without radicals by using fractional exponents.y = 
+ 
A. y = (2x)2/3 + (8x)3/2 B. y = (10x)13/6 C. y = (2x)2/3 + (8x)3 D. y = (2x)3/2 + (8x)2/3