Answer the question.Which one of the equations below matches the graph?
A. y = 3 cos
B. y = 3 sin
C. y = -3 sin
D. y = 3 cos
Answer: A
Mathematics
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Solve the differential equation subject to the initial conditions.x2
- 3xy = -x5 sec x tan x; x > 0; x = ? when y = 0
A. y = - 
- x2 , x > 0
B. y = - 
- x3 , x > 0
C. y = 
+ x2 , x > 0
D. y = 
+ x3 , x > 0
Mathematics
Parametrize the surface S.S is the portion of the plane -7x + 7y + 8z = -1 that lies within the cylinder 
.
What will be an ideal response?
Mathematics
Using the metric prefixes shown, change the following quantities:
a. 47,000 ê = _____________ kê = ___________ Mê b. 96,100,000 Hz = ____________ kHz = ___________ MHz c. 0.00216 A = __________ mA = __________ æA
Mathematics
Simplify the following by combining like terms.6x4 + 3x4 - 4x4
A. 5x12 B. -72x4 C. 5x4 D. cannot be simplified
Mathematics