Eliminate the parameter. Write the resulting equation in standard form.An ellipse: x = 5 + 2 cos t, y = 1 + 3 sin t
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. (x - 5)2 + (y - 1)2 = 1
Answer: C
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Describe the strength and direction of the linear correlation.Each of several people of various ages was asked to choose his or her favorite number (1-100). Their ages and numbers are recorded in the following table:
A. Little or no linear correlation B. Weak negative linear correlation C. Strong positive linear correlation D. Strong negative linear correlation
Give the equation of the horizontal asymptote, if any, of the function.f(x) = 
A. y = 4 B. y = 6 C. y = 1 D. no horizontal asymptotes
Solve the system of equations using matrices. Use Gauss-Jordan elimination.
A. {(2, 6, -1)} B. {(-1, 6, 2)} C. {(1, 5, 6)} D. {(1, 6, 5)}
Find the domain of the indicated combined function.Find the domain of (fg)(x) when f(x) = 
and g(x) = 
.
A. Domain: 
B. Domain: (-?, ?)
C. Domain: [0, ?)
D. Domain: 