Write an equation to describe the variation. Use k for the constant of proportionality.s varies directly as b
A. b = 
B. s = kb
C. s = 
D. b = ks
Answer: B
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Provide an appropriate response.If we are looking for the critical points 
on the surface of 
then we study the tangent lines to 
along the slices parallel to the 
and 
These tangent lines must have which of the
following properties?(i) They must be perpendicular.(ii) They must be horizontal.(iii) They must be horizontal, but not perpendicular. (iv) They must be perpendicular, but not horizontal. A. Only (iii) is correct. B. Only (ii) is correct. C. Both (i) and (ii) are correct. D. Only (iv) is correct.
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 3)
D. none
Provide an appropriate response.Find fy(x, 0) by evaluating the limit of 
as h approaches 0.
A. Undefined
B. x
C. 
D. 0
Solve the problem.Find the effective rate corresponding to the nominal rate. 6% compounded monthly. Round to the nearest hundredth.
A. 6.17% B. 6.26% C. 6.23% D. 6.12%