Solve the problem.A salesperson gets a commission of $800 for the first $10,000 of sales, and then $400 for each additional $10,000 or partial of sales. Let S(x) represent the commission on x dollars of sales. Find the value of 
A. $4600
B. $3800
C. $4400
D. $4200
Answer: C
Mathematics
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Determine whether the given equation is the general solution or a particular solution of the given differential equation.y" + 3y' - 4y = 3ex, y = cex + 4e-4x + 
xex
A. Particular solution B. General solution
Mathematics
Provide an appropriate response.(x + 3)2 - (3 - x)2 =
A. 12x B. 2x2 C. 18 D. 0 E. 2(x + 3)2
Mathematics
Graph the ellipse. Label the foci and the endpoints of each axis.9x2 + 16y2 = 144
A. F(0, ±
); V(0, ±4); U(±3, 0)
B. F(±4, 0); V(±5, 0); U(0, ±3)
C. F(±
, 0); V(±4, 0); U(0, ±3)
D. F(±5, 0); V(±4, 0); no endpoints
Mathematics
Solve the equation.
+ 5 = x
A. 2 B. 9, 18 C. 9 D. 2, 9
Mathematics