Specify the set by roster.
?
{Counting numbers containing only 4s.}
?
A. 41, 42, 43, 44, ...
B. 44, 444, 4444, 44444, ...
C. 4, 444, 44444, 4444444, ...
D. 4, 44, 444, 4444, ...
E. 4, 14, 24, 34, 44, ...
Answer: D
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Solve the problem.Find the length of the curve y = 
- 
ln x, 2 ? x ? 4.
A. 3 + 
B. 
C. 2 + ln 3
D. 3 + ln 2
Find the equation of the axis of symmetry.f(x) = -(x + 3)2 + 8
A. x = -8 B. x = 3 C. x = -3 D. x = 8
Find RT if R1 = 56 Kê, R2 = 27 Kê, and R3 = 12 Kê.
a. 47.5 Kê
b. 68 Kê
c. 83 Kê
d. 95 Kê
e. 107 Kê
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.g(x) = 
A. rational function; (9, ?) B. rational function; (-?, 0) ? (0, ?) C. rational function; (-?, -3) ? (-3, 3) ? (3, ?) D. rational function; (-?, ?)