Give the domain and range of the function.
A. Domain {-8, -4, -1, 1, 4, 8} ; Range {-3, 5, 9}
B. Domain [-3, 9] ; Range [-8, 8]
C. Domain {-3, 5, 9} ; Range {-8, -4, -1, 1, 4, 8}
D. Domain [-8, 8] ; Range [-3, 9]
Answer: D
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Clear fractions then solve by substitution.
- 
= 
+ 
= 
A. 
B. 
C. 
D. 
Solve the problem.4(x + 1) - 4 ? 8 and 5(1 - x) + 46 > 6
A. (-?, 2] ? (9, ?) B. [2, 9) C. (-?, 2) ? [9, ?) D. (2, 9]
Determine whether f is continuous at c.f(x) = 3x4 - 7x3 + x - 6;c = 0
A. not continuous B. continuous
Solve the problem.It can be shown that if the angle of elevation from an observer to the top of an object is A and the angle of elevation d ft closer is B, then the height of the object is given by h = 
feet.Find A if 
and 
Give your answer in degrees to the nearest hundredth.
A. 27.85° B. 9.99° C. 35.16° D. 19.40°