For the function f whose graph is given, determine the limit.Find 
f(x) and 
f(x).
A. 1; 1
B. 3; -1
C. does not exist; does not exist
D. -1; 3
Answer: B
Mathematics
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Find the length of the curve.The line segment r = 5 sec ?, 0 ? ? ? 
A. 
(
+ ln(
+ 1))
B. 
C. 5 ln
D. 5
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. 4x2 + 4y2 - 12x + 16y - 5 = 0
A. (h, k) = (- 
, 2); r= 
B. (h, k) = (
, -2); r = 
C. (h, k) = (
, -2); r = 
D. (h, k) = (- 
, 2); r = 
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 55.3 B. y = 3x + 50 C. y = 54 D. y = 2.5x + 50.4
Mathematics
Solve the equation. Find the exact solution. logx + log(x+1) = log20
(a) 6 (b) 4 (c) 19 (d) 20 (e) 2
Mathematics