Solve the problem.A bag contains 5 apples and 3 oranges. If you select 4 pieces of fruit without looking, how many ways can you get 4 oranges?
A. 0
B. 8
C. 5
D. 15
Answer: A
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Find all the first order partial derivatives for the following function.f(x,y,z) = xe(x2 + y2 + z2)
A. 
= (1 + 2x2) e(x2 + y2 + z2); 
= xy2e(x2 + y2 + z2); 
= xz2e(x2 + y2 + z2)
B. 
= (1 + 2x2) e(x2 + y2 + z2); 
= 2xye(x2 + y2 + z2); 
= 2xze(x2 + y2 + z2)
C. 
= 2x2e(x2 + y2 + z2); 
= xye(x2 + y2 + z2); 
= 2xze(x2 + y2 + z2)
D. 
= (1 + 2x2) e(x2 + y2 + z2); 
= xe(x2 + y2 + z2); 
= xe(x2 + y2 + z2)
Solve the problem.In a wallpaper pattern, the only possible angle(s) of rotational symmetry are the identity and
A. 60°, 90°, 180°. B. 180°. C. 60°, 90°, 120°, 180°. D. 90°, 180°. E. none of these
Write as a percent.5.7
A. 0.57% B. 0.0057% C. 570% D. 57%
For the pair of functions, find the product (fg)(x).f(x) = 4x + 4, g(x) = 4x - 7
A. 8x2 + 11x - 28 B. 16x2 - 44x + 28 C. 16x2 - 12x - 28 D. 4x2 - 24x - 56