Use implicit differentiation to find dy/dx.y cos 
= 7x + 7y
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Graph the equation and its tangent.Graph y = -4x2 and the tangent to the curve at the point whose x-coordinate is 1.
A. 
B. 
C. 
D. 
Mathematics
Find the limit of the sequence if it converges; otherwise indicate divergence.an = ln(4n + 9) - ln(3n - 5)
A. ln 1
B. ln
C. ln
D. Diverges
Mathematics
Plot the points given by the pairs.A(2, 3), B(-6, 4)
What will be an ideal response?
Mathematics
Determine whether a linear or quadratic function would be a more appropriate model for the graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the coefficient 
of x2 should be positive or negative. DENTAL FLOSS USE 
Years since 1990
A. Quadratic; negative B. Linear; negative C. Quadratic; positive D. Linear; positive
Mathematics