Find the vertex.f(x) = x2 - 10x + 28
A. (3, 0)
B. (3, 5)
C. (5, 3)
D. (0, 5)
Answer: C
Mathematics
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Use the method of undetermined coefficients to solve the differential equation.3
- 13
+ 4y = xe-2x; 
= - 
and y = 
when x = 0
A. y = 
e4x - 
ex/3 - 
xe-2x + 
e-2x
B. y = 
e4x + 
ex/3 + 
xe-2x + 
e-2x
C. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
D. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
Mathematics
Simplify.
-4
A. 
B. 
C. 
D. 
Mathematics
Divide. Express your answer in simplest form.7
÷ 10
A. 
B. 
C. 
D. 
Mathematics
Simplify.360 ÷ (30 ÷ 6)
A. 12 B. 355 C. 2 D. 72
Mathematics