Find the second-order partial derivative.Find fyy when f(x,y) = 8x3y - 7y2 + 2x.
A. -14
B. -28
C. 48xy
D. 24x2
Answer: A
Mathematics
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Solve the inequality. Express your answer using interval notation.16 < 4x ? 24
A. [4, 6)
B. (-6, -4]
C. (4, 6]
D. [-6, -4)
Mathematics
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 
- 
x
A. Yes; degree 3 B. Yes; degree 1 C. No; x has a fractional coefficient D. Yes; degree 0
Mathematics
Write the exponential equation in logarithmic form.2-3 = 
A. log2 -3 = 
B. log-3 
= 2
C. log1/8 2 = -3
D. log2 
= -3
Mathematics
Name the corresponding parts of the triangles.
?
?
A. 
?
B.
?
C.
?
D.
?
E.
Mathematics