Find the specified domain.For f(x) = x2 - 1 and g(x) = 2x + 3, what is the domain of f ? g?
A. [1, ?)
B. (-1, 1)
C. (-?, ?)
D. [0, ?)
Answer: C
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Graph the equation. Include the coordinates of any local extreme points and inflection points.y = x + cos 2x, 0 ? x ? ?
A. local minimum: 
local maximum: 
inflection points: 
, 
B. local minimum: (1.444, -0.246)
local maximum: (0.126, 1.031)
inflection points: (0.785, 0.393), (2.356, 1.178)
C. local minimum: 
local maximum: 
inflection point: 
D. no local extrema
inflection point: 
Solve the formula for the indicated letter.
Write an equation that results in the indicated translation.The square root function, shifted 2 units downward
A. y = 
+ 2
B. y = 
- 2
C. y = 
D. y = 
Write the number in fixed-point notation. Round your answer to 10 decimal places.
?
?
A. 0.0771604938 B. 0.0000007716 C. 0.0077160494 D. 0.6666666667 E. 0.0007716049