Solve 
by factoring.
A. 
B. 
C. 
D. 
E. 
Answer: C
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Find the inverse of the function.f(x) = 
, x ? -4
A. f-1(x) = x2 - 16, x ? 0 B. f-1(x) = -x2 + 4, x ? 0 C. f-1(x) = x2 - 4, x ? 0 D. Not a one-to-one function
Simplify.
A. 
- 1
B. 
C. 
D. 
Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)1.7x + 2.2y - 1.8z = 3.84.6x - 6.8y + 1.3z = -4.33.4x + 4.3y + 4.4z = 10.1
A. {(1.8, 2.6, 0.7)} B. {(0.4, 0.7, 0.2)} C. {(3.6, 5.2, 1.3)} D. {(0.9, 1.3, 0.3)}
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: (3, 0) , y-intercept: 
;
B. x-intercept: (7, 0) , y-intercept: 
;
C. x-intercept: (-3, 0) , y-intercept: 
;
D. x-intercept: (0, 0) , y-intercept: (0, 0) ;