Sketch the graph of f(x). Determine the domain, range, and the equation of the horizontal asymptote of the function.f(x) = ex - 4
A. Domain: (-?, ?), range: (0, ?)
Horizontal asymptote: y = 0
B. Domain: (-?, ?), range: (0, ?)
Horizontal asymptote: y = 0
C. Domain: (-?, ?), range: (-4, ?)
Horizontal asymptote: y = -4
D. Domain: (-?, ?), range: (0, ?)
Horizontal asymptote: y = 0
Answer: B
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Solve.A formula for the circumference of a circle is C = 2?r, where r is the radius of the circle. (i) Solve the formula for r. (ii) A circle has a circumference of 42? meters. Find the radius, r, of the circle.
A. (i) r = 
(ii) 21 m
B. (i) r = 
(ii) 42 m
C. (i) r = 
(ii) 7 m
D. (i) r = 
(ii) 11 m
Graph the linear inequality.x ? -5
A. 
B. 
C. 
D. 
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. x2 B. -8 C. 8 D. 2x
Solve the system of equations using substitution.
A. x = 
, y = 6; x = - 
, y = 
or 
), 
B. x = 
, y = 
; x = - 
, y = 0
or 
, 
C. x = - 
, y = 2; x = 1, y = 5
or 
, (1, 5)
D. x = 
, y = 
; x = 1, y = 5
or 
, (1, 5)