Without graphing the function, determine its amplitude or period as requested.y = 4 sin xFind the amplitude.
A. 5
B. 
C. -5?
D. 2?
Answer: A
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Determine the standard equation of the ellipse described.Foci at (0, -2) and (0, 2); length of the major axis is 12 units.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find all the first order partial derivatives for the following function.f(x, y, z) = e(sin (x) + yz)
A. 
= cos(x) 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. 
= 
e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
Find an equation of the line described. Write the equation in slope-intercept form if possible.Through (-4, -33) and (10, 79)
A. y = - 
x - 
B. y = -8x - 65
C. y = 8x - 1
D. y = 
x - 
Determine whether the lines with the given slopes are parallel, perpendicular, or neither.
?
?
A. parallel B. perpendicular C. neither