Answer:
Below.
Step-by-step explanation:
The difference of the f(x) values divided by the difference in the corresponding x values.
That would be (f(2) - f(-2)) / (2 - (-2))
Answer:
y=2x+15
Step-by-step explanation:
Slope (m) = 20/10 = 2
y-intercept (b) = 15
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Do you mean like this?
Y = -x - 4
Y = x
x = -x - 4
2x = -4
x = -2
Therefore y = -2
