Solve the problem.Which of the following four graphs is a tree?
A. Graph 1 and Graph 3
B. Graph 1 and Graph 4
C. Graph 2 and Graph 3
D. Graph 2 and Graph 4
E. none of these
Answer: A
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
f2(x) ? g(x), x = 3
A. 112 B. 15 C. 39 D. 71
Of the given values of x, identify those at which the function is continuous.f(x) = 
; x = -6, 0, -6, 5
A. -6, 0, -6, 5 B. -6, -6, 5 C. -6, 0 D. -6, 5
Simplify.
÷ 
? 
A. 
B. 98
C. 
D. 2
Use the intercept form to find the equation of the line with the given intercepts. The intercept form of the equation of a line with intercepts (a, 0) and (0, b) is
?
?
?
x-intercept: (
, 0)
y-intercept: 
?
?
A. 
B. 
C. 
D. 
E. 