Answer: (x+2)^2 -1
x^2+4x+3=x^2+4x+3 (4)-(4)
Complete the square: -1+(x^2+4x+4) =-1+(x+2)^2
Answer: (x+2)^2 -1
Step-by-step explanation:
Add 4
.. 5e^(2x) = 15
Divide by 5
.. e^(2x) = 3
Take the natural log
.. 2x = ln(3)
Divide by 2
.. x = ln(3)/2 . . . . . . . . . corresponds to the 3rd selection
I do this differently from many people, but the answer is 25 miles. If they walk 5 miles every day, and it’s a 40 day process, you multiply 8 by 5, which equals 40. After that you multiply 5 by 5 and you get 25. Sorry if that’s hard to understand, but the answer is 25.
Answer:
C. :)
Hope it helps
Step-by-step explanation: