Find dy for the given values of x and dx.y = x3, x = 5, dx = 0.05
A. 3.75
B. 5.16
C. 0.75
D. 3.787625
Answer: A
Mathematics
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A. x = 0, x = -5, x = 5 B. x = 0, x = -25 C. x = -5, x = 5 D. x = 0
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Find the derivative of y.y = 2t3 tanh 
A. 6t2 tanh 
- 4 sech2 
B. 6t2 tanh 
- 2 sech2 
C. 6t2 tanh 
- 4 sech 
D. 6t2 tanh 
+ 4 sech2 
Mathematics
Identify the type of surface represented by the given equation.
+ 
- 
= 1
A. Hyperboloid of two sheets B. Elliptical cone C. Ellipsoid D. Hyperboloid of one sheet
Mathematics
Evaluate the function.f(r, ?) = 6r(r tan ? - sin 2?); find f
A. 486 B. 48 C. 54 D. 432
Mathematics