Use logarithmic identities to complete the following. Writelog3(9x7) in terms of log3x.
A. 2x + 7
B. 6 + 7log3x
C. 7 + 2log3x
D. 2 + 7log3x
Answer: D
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Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. open interval; {x|1 < x < 7}; (1, 7) B. closed interval; {x|1 ? x ? 7}; [1, 7] C. half-open interval; {x|1 ? x < 7}; [1, 7) D. half-open interval; {x|1 < x ? 7}; (1, 7]
Refer to the figure in following problems. Answer True or False.
1. AB\\CD
2. m? = m?3
3. m?1+m?3 = m?ADC
4. AB = CD
5. m?2 = 40°
Decide whether the equation describes a function.x + 7y = 8
A. yes B. no
Find the distance d(P1, P2) between the points P1 and P2.P1 = (-1, -5); P2 = (2, 7)
A. 135
B. 135
C. 3
D. 9