Find the distance between the two points on the coordinate plane. Give an exact answer.(4, 2) and (-7, -5)
A. 77 units
B. 
units
C. 
units
D. 4 unit
Answer: B
Mathematics
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Solve the absolute-value inequality.|x| > 2
A. {x
-2 < x < 2}, or (-2, 2)
B. {x
x > 2}, or (2, ?)
C. {x
x < -2 or x > 2}, or (-?, -2) ? (2, ?)
D. {x
x < -2}, or (-2, ?)
Mathematics
Simplify. Assume that any variables are positive.
A. 
B. 
C. 
D. 
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors.ln 
, x > 4
A. 7ln x + 
ln (1 + 3x) - 9ln (x - 4)
B. ln 7 + ln x - 11ln (1 + 3x) - 9ln (x - 4)
C. ln 7 + ln x + 
ln (1 + 3x) - ln 9 - ln (x - 4)
D. ln 7 + ln x + 
ln (1 + 3x) - 9ln (x - 4)
Mathematics
Complete the table.InputOutput11 ÷ 2 + 0.5 = 22 ÷ 2 + 0.5 = 33 ÷ 2 + 0.5 = 44 ÷ 2 + 0.5 =
A.
| Input | Output |
| 1 | 1 ÷ 2 + 0.5 = 4 |
| 2 | 2 ÷ 2 + 0.5 = 6 |
| 3 | 3 ÷ 2 + 0.5 = 8 |
| 4 | 4 ÷ 2 + 0.5 = 10 |
B.
| Input | Output |
| 1 | 1 ÷ 2 + 0.5 = 2.5 |
| 2 | 2 ÷ 2 + 0.5 = 4.5 |
| 3 | 3 ÷ 2 + 0.5 = 6.5 |
| 4 | 4 ÷ 2 + 0.5 = 8.5 |
C.
| Input | Output |
| 1 | 1 ÷ 2 + 0.5 = 1 |
| 2 | 2 ÷ 2 + 0.5 = 1.5 |
| 3 | 3 ÷ 2 + 0.5 = 2 |
| 4 | 4 ÷ 2 + 0.5 = 2.5 |
D.
| Input | Output |
| 1 | 1 ÷ 2 + 0.5 = 2.5 |
| 2 | 2 ÷ 2 + 0.5 = 3 |
| 3 | 3 ÷ 2 + 0.5 = 3.5 |
| 4 | 4 ÷ 2 + 0.5 = 4 |
Mathematics