Answer:
The slope in this equation is
.
Step-by-step explanation:
Slope-intercept form: 
m = slope
b = y-intercept
x = variable

17.85714285714285 to nearest tenths is 17.9 .
The answer would be the first one
Good evening ,
Answer:
B. g(x)= -x² - 4
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Step-by-step explanation:
The graph of g is downward facing then we must have (-) before the x²
Since, The vertex of parabola g is on point (0 ,-4) then we have to subtract 4.
:)