Without graphing, it is evident that the line given by the equation f(x) = 5x – 2 does not pass through point (a) but passes through point (b)
To do this, we need to check if the value of x yields that of y in each pair of coordinates when inserted in the function, f(x) = 5x – 2.
For point (a):
defined by coordinates (1,5)
Therefore, by substituting the value of x into:
f(x) = 3.
For point (b):
defined by. coordinates (-2, -12)
Therefore, by substituting the value of x into:
f(x) = 5x – 2,
f(x) = 5(-2) - 2
f(x) = -12
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