lizagorelik2008
Answered

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Without graphing f(x) = 5x – 2, determine whether the graph passes through the poin
-) a) (1,5) b) (-2,- 12)
Plz help

Sagot :

adioabiola

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) = 5x – 2,

  • f(x) = 5(1) - 2

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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