Solve the quadratic equation by completing the square.x2 = 5 - 6x
A. -1 ± 
B. -3 ± 
C. 3 + 
D. -3 ± 2
Answer: B
Mathematics
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Provide an appropriate response.Graph: f(x) = 
-x
A. 
B. 
C. 
D. 
Mathematics
Convert the given number to scientific notation.420
A. 4.2 × 101 B. 4.2 × 102 C. 4.2 × 10-2 D. 4.2 × 103
Mathematics
Change the decimal in standard form. Eight and fourteen hundredths
A. 8.014 B. 8.14 C. 8.0014 D. 814
Mathematics
The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Mathematics