Find the second-order partial derivative.Find fyy when f(x,y) = 8x3y - 7y2 + 2x.
A. 48xy
B. -14
C. -28
D. 24x2
Answer: B
Mathematics
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Find the area of the figure below.
Mathematics
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(-4, 6); m = -4
A. y = 4x - 12 B. y = -4x - 11 C. y = -4x - 10 D. y = -4x - 18
Mathematics
Find the standard form of the equation of the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Use a reference angle to find the value. sin 120°
A. - 
B. 
C. - 
D. - 
Mathematics