Solve the problem.Evaluate 
at t = 5 for the function w(x, y) = ey - ln x; x = t2, y = ln t.
A. 
B. 
C. 3
D. - 
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 3 - x2
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.546 = n ? 13
A. n = 7098 B. n = 533 C. n = 546 D. n = 42
Mathematics
Solve the equation.9z = -81
A. 9 B. 90 C. -90 D. -9
Mathematics
Use multiplication shortcuts to find the product.20 × 4 × 5
A. 40 B. 4000 C. 500 D. 400
Mathematics