Find the domain of the function.f(x) = x2 + 6
A. all real numbers, or (-?, ?)
B. {x|x ? -6}, or (-?, -6) ? (-6, ?)
C. {x|x ? -6}, or [-6, ?)
D. {x|x > -6}, or (-6, ?)
Answer: A
Mathematics
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Solve the nonlinear system of equations for real solutions.
A. (
, 
), (
, -
), (-
, 
), (-
, -
)
B. (
, 
), (
, -
), (-
, 
), (-
, -
)
C. (
, 
), (-
, -
)
D. (
, 
), (
, -
)
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Solve the equation.-2.25 = 
A. b = -7.00 B. b = 11.75 C. b = -33.75 D. b = 12.75
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Graph the system of inequalities. Indicate the solution set by shading.2x + 3y ? 6 x - y ? 3 y ? 2
A. 
B. 
C. 
D. 
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Find the value of x that satisfies the equation.x + 1
= 3
A. x = 
B. x = 7
C. x = 
D. x = 5
Mathematics