Find all the second order partial derivatives of the given function.f(x, y) = ex/y
A. 
= 
; 
= ex/y
; 
= 
= -ex/y
B. 
= 
; 
= ex/y
; 
= 
= -ex/y
C. 
= 
; 
= 
; 
= 
= 
D. 
= 
; 
= -ex/y
; 
= 
= ex/y
Answer: B
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Factor, if possible.15z2 + 14z - 8
A. (3z - 4)2 B. Prime polynomial C. (3z + 4)(5z - 2) D. (3z - 4)(5z + 2)
Provide an appropriate response.The domain and range of the function f whose graph appears below is
A. Domain: all real numbers greater than or equal to -1 Range: all real numbers B. Domain: all real numbers Range: all nonnegative real numbers C. Domain: all nonnegative real numbers Range: all real numbers less than or equal to -1 D. Domain: all real numbers Range: all real numbers E. Domain: all real numbers Range: all real numbers greater than or equal to -1
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The height of a ball thrown from the ground, as a function of time.
A. quadratic; positive B. linear; negative C. linear; positive D. quadratic; negative
Provide an appropriate response.The solution set for the equation 9(8s - 2) = 72s - 18 is given as 0. Is this correct? Explain.
What will be an ideal response?