Solve and simplify.
? x = -75
A. -125
B. 18
C. -45
D. 75
Answer: C
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Find the global maxima and minima of the function on the given domain.
on the disk bounded by the circle 
A. Global maximum: 72 at 
and 
global minimum: 45 at 
and 
B. Global maximum: 72 at 
and 
global minimum: 0 at 
C. Global maximum: 117 at 
global minimum: 0 at 
D. Global maximum: 45 at 
and 
global minimum: 0 at 
Evaluate the expression.cot 270°
A. 
B. Undefined
C. 0
D. -1
Solve the problem.An elliptical riding path is to be built on a rectangular piece of property that measures 8 mi by 4 mi. Find an equation for the ellipse if the path is to touch the center of the property line on all 4 sides.A = 8 miB = 4 mi
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
The function Y2 is defined as Y1 + k for some real number k. Based upon the given information about Y1 and Y2, find k.
A. 3 B. -5 C. 4 D. -4