If z = x² - xy + 7y² and (x,y) changes from (2, 1) to (1.85, 1.05) find dz.
What will be an ideal response?
dz = 0.15
Mathematics
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Solve the equation for y.x = 9y + 2
A. y = 9x - 2
B. y = 
x - 
C. y = 
x - 2
D. y = x - 
Mathematics
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Mathematics
Determine whether (f(g(x)) = x and whether (g (f(x)) = x.f(x) = 
, g(x) = x
A. No, no B. Yes, yes C. No, yes D. Yes, no
Mathematics
True or False?The given table corresponds to the function 
.
x -3 -2 -1 0 1 2 3 f(x) 0.0001 0.001 0.01 0.1 1 10 100
Answer the following statement true (T) or false (F)
Mathematics