Solve the equation.8x = 12
A. 
B. 
C. 
D. 
Answer: B
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Solve.x2 + y2 = 100x2 - y2 = 100
A. (10, 0), (10, 10) B. (10, 0), (-10, 0) C. (-10, 0), (-10, 10) D. (10, 10), (-10, 10)
Show that the set is infinite by placing it in a one-to-one correspondence with a proper subset of itself. Be sure to show the pairing of the general terms in the sets.{4, 5, 6, 7, ...}
A.
| { | 4, | 5, | 6, | 7, ..., | n + 3, | ...} |
| ? | ? | ? | ? | ? |
| { | 3, | 4, | 5, | 6, ..., | n + 2, | ...} |
B.
| { | 4, | 5, | 6, | 7, ..., | n + 3, | ...} |
| ? | ? | ? | ? | ? |
| { | 5, | 6, | 7, | 8, ..., | n + 5, | ...} |
C.
| { | 4, | 5, | 6, | 7, ..., | n + 4, | ...} |
| ? | ? | ? | ? | ? |
| { | 3, | 4, | 5, | 6, ..., | n + 2, | ...} |
D.
| { | 4, | 5, | 6, | 7, ..., | n + 3, | ...} |
| ? | ? | ? | ? | ? |
| { | 5, | 6, | 7, | 8, ..., | n + 4, | ...} |
Two students have a 3.05 GPA. This semester, each earns a 3.80 GPA on 10 credit hours. Which student will see more improvement in overall GPA: the fourth-year full-time student or the second-year full-time student?
A) second-year student B) fourth-year student
Solve and graph. Write the solution set in set-builder and interval notation.
? 4
A. {a
a > 12}; (12, ?)
B. {a
a ? 12}; (-?, 12]
C. {a
a ? 12}; [12, ?)
D. {a
a < 12}; (-?, 12)