Solve the equation.
= 
A. x = 6, x = 7
B. x = 21, x = 
C. x = 
, x = -6
D. x = 21, x = -7
Answer: A
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Solve the differential equation.cos x 
+ y sin x = sin x cos x
A. y = cos x ln 
+ C cos x
B. y = cos x ln 
+ C cos x
C. y = cot x + C cos x
D. y = sin x ln 
+ C sin x
Solve the problem.Assume that the seed square of the Sierpinski carpet has area A = 8. Find the area of the "carpet" obtained in Step 2 of the construction.
A. 
B. 
C. 
D. 
E. 
Calculus can be used to find the slope of the line tangent to a curve. The slope of the tangent to the curve 
at 
is f'(a). Use f'(x) to find the slope of the tangent to 
at the given value of x.f'(x) = 6x3 - 2x2 + 5x - 19 at x = -2
A. -69 B. 85 C. -85 D. -75
Find the rule that defines each piecewise-defined function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 