Find an equation for the rational function graph.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: B
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Find T, N, and B for the given space curve.r(t) = (1 + t)i + (8 + ln (sec t))j - 9k, -?/2 < t < ?/2
A. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j; B = k B. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j; B = -k C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = -k D. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j; B = k
Evaluate the derivative at the given value of x.y = 
; x = 100
A. 10
B. 
C. 100
D. 
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 1
Solve.One end of a guy wire is attached to the top of a 22-foot pole and the other end is anchored into the ground 16 feet from the base of the pole. Find the length of the guy wire. If necessary, round to the nearest tenth foot.
16 ft
A. 38.8 ft B. 27.2 ft C. 38 ft D. 28 ft