Sketch the graph using a graphing utility.x2 - 24xy + 8y2 = 36
A. 
B. 
C. 
D. 
Answer: D
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Find the simple interest. (The rate is an annual rate unless otherwise noted. Assume 360 days in a year.)p = $275, r = 0.055% per day, t = 99 days
A. $15.13 B. $14.82 C. $0.04 D. $14.97
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.I = prt; I = 16.8, p = 210, r = 0.01
A. t = 8 B. t = 0.8 C. t = 35.28 D. t = 0.35
Evaluate.Find 
(-3) when f(x) = 4x - 7 and g(x) = 5x2 + 14x + 4.
A. 1
B. 
C. 0
D. - 
The rule of the derivative of a function f is given. Find the location of all local extrema.f'(x) = (x2 - 16)(x + 5)
A. Local maximum at -5 + 
; local minimum at -5 - 
B. Local maximum at -4; local minima at -5 and 4
C. Local maxima at -5 and 4; local minimum at -4
D. Local maximum at -5 - 
; local minimum at -5 + 