Solve the compound inequality.12x - 8 < 4x or -4x ? -12
A. 1 < x ? 3
B. 1 ? x ? 3
C. x < 1 or x ? 3
D. No solution
Answer: C
Mathematics
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Find the focus and the directrix of the parabola.y = 2x2 - 8x + 7
A. Focus: 
; directrix: y = - 
B. Focus: 
; directrix: y = - 
C. Focus: (2, 7); directrix: x = 9
D. Focus: (2, 1); directrix: x = -3
Mathematics
Find 
.y = x7/5
A. x2/5
B. 
x2/5
C. 
x-2/5
D. 
x6/5
Mathematics
Solve the problem.How many 5-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, if repetitions are not allowed?
A. 16,807 five-digit numbers B. 2520 five-digit numbers C. 120 five-digit numbers D. 119 five-digit numbers
Mathematics
Evaluate the expression.
4
A. 
B. 
C. 
D. 
Mathematics