Write the pair of rational expressions in terms of their LCD.
and 
A. and
B. and
C. and
D. and
Answer: B
Mathematics
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State the domain and range in interval notation.f(x) = 3x2 + 2x + 1
A. domain: (-?, ?); range:
B. domain: ; range: (-?, ?)
C. domain: (-?, ?); range:
D. domain: (-?, ?); range:
Mathematics
Find the y-intercept.y = x2 + 8x
A. 0 and 8 B. -8 C. 0 and -8 D. 0
Mathematics
Find the standard equation of the circle that satisfies the conditions.Center (5, -3), radius
A. (x - 3)2 + (y + 5)2 = 121 B. (x - 5)2 + (y + 3)2 = 11 C. (x + 5)2 + (y - 3)2 = 11 D. (x + 3)2 + (y - 5)2 = 121
Mathematics
Solve the problem.Ray's gross pay is $320.40 a week. $46 is withheld for federal income tax, $24.06 for FICA tax, and $11.21 for other deductions. How much of his pay is left?
A. $81.27 B. $239.13 C. $401.67 D. $229.13
Mathematics