Perform the operations. 
A. 19
B. 16
C. 144
D. 17
Answer: D
Mathematics
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Translate the sentence to an equation.When a number is divided by 4, the result is -6.
A. -6x = 4
B. 4x = -6
C. 
= -6
D. 
= 4
Mathematics
Factor the perfect square.16x2 - 40xy + 25y2
A. (4x + 5y)2 B. (4x - 5y)(4x + 5y) C. (16x + 1)(x + 25) D. (4x - 5y)2
Mathematics
Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) ? 0
A. x ? 5 B. x ? 2 or x ? 5 C. 2 ? x ? 5 D. No solutions
Mathematics
Answer the question.If we wish to find the candidates for local extrema and saddle points for 
then we must find which of the following?(i) fx and fxx(ii) fy and fyy(iii) fxy(iv) fyx(v) fxxx
A. (i) and (ii) B. (i), (ii), and (v) C. (i), (ii), and (iii) D. All
Mathematics