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Todd Molina
Mathematics
27 October, 11:13
Solve the equation log4 (x + 20) = 3
x=
DONE
+3
Answers (
2
)
Braylen Beltran
27 October, 11:35
0
Answer To The Whole Assignment
1. x = 44
2. x=7
3. (in order first box to last) 2,5,1,4,3
4. x = - 5
5. D. This number is a true solution of the original equation.
6. x=2
7. A. log2[x (x - 6) ] = 4
8. C. x2 - 6x - 16 = 0
9. x=8
10. x=1, x=2
11. There is no solution.
12. x=3 or x=-3
13. C. Only - 3 is an extraneous solution.
14. The bases of the logarithms are not the same. The one-to-one property does not apply when the bases are not the same. The change of base formula should have been used to write the logarithms with the same base.
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Eleanor
27 October, 11:41
0
x = 44
Step-by-step explanation:
log4 (x+20) = 3
4³ = x + 20
x + 20 = 64
x = 44
(Correct me if i am wrong)
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