The mean midday temperature recorded in June in a city in South California is 36ºC, and the standard deviation is 3ºC. The numbe
2 answers:
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As points, x-intercepts take the form 
, so to find the intercepts we can set 
and solve for 
.
From the first equation alone, we already know that
is a solution, which means one intercept is 
.
The second equation gives
so that the second intercept occurs at
.
So if
and 
, we have 
, giving C as the answer.
From the first equation alone, we already know that
The second equation gives
so that the second intercept occurs at
So if