Evaluate the expression.
A. -25
B. 
C. 25
D. 
Answer: C
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Find all the first order partial derivatives for the following function.f(x, y, z) = e(sin (x) + yz)
A. 
= e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
B. 
= cos(x)e(sin (x) + yz); 
= e(sin (x) + yz); 
= e(sin (x) + yz)
C. 
= 
e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
D. 
= cos(x) e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
Simplify the exponential expression.
A. 
B. 
C. 
D. 
Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $200 Amount of tax: $13.00
A. 8.5%, $213.00 B. 7.5%, $213.00 C. 6.5%, $213.00 D. 0.65%, $213.00
Use the distributive property to rewrite the expression, then simplify if possible- 
(5x + 10y)
A. -9x B. 3x + 6y C. -3x - 6y D. -3x + 6y