Answer: C
Step-by-step explanation:
1+2e^x+1=9
2e^x+1=9-1
e^x+1= 8/2
e^x+1 = 4
Here we can applicate the Ln:
ln e^x+1 = ln 4
Applicating the log property for exponent:
(x+1).ln e = ln 4
Ln e = 1, so:
x+1 = ln 4
x = ln 4-1
(25-y) ^2-y^2=25
y=12
x=25-12
x=13
(13,12)
Answer:
yes it is. Is urs?
Step-by-step explanation:
Step-by-step explanation:
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