Find the domain of f.f(x) = 
A. {x | x ? 8}
B. {x | x ? -8}
C. All real numbers
D. {x | x ? ±2}
Answer: C
Mathematics
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Provide an appropriate response. Use the sine function to find length b of right triangle ABC given c = 17.4 ft and B = 23°. Round to four significant digits.
A. 16.02 ft B. 6.799 ft C. 18.90 ft D. 44.53 ft
Mathematics
Write a general formula to describe the variation.z varies jointly as the cube root of x and the square of y; z = 216 when x = 8 and y = 3.
A. z = 
B. z = 12 
y2
C. z = 972
D. z = 
y2
Mathematics
Graph the solution set of the inequality and write it in interval notation.-3 ? x < 9
A. (-3, 9]
B. [-3, 9)
C. (-?, 9)
D. [-3, 9)
Mathematics
For the given f(x), find a formula for f'(a).f(x) = 1 - 3x
A. f'(a) = -3a
B. f'(a) = 3
C. f'(a) = -3
D. f'(a) = 3
Mathematics