Evaluate fx 3x 7 for x 2 Evaluate fx 3x2 for x 4Solutio

Evaluate f(x) = 3x - 7 for x = -2 Evaluate f(x) = 3x^2 for x = 4

Solution

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Given f(x) = 3x - 7

X = -2

Substituting we get

F(-2) = 3(-2) -7

= -6-7

= -13

F(x) = 3x^2

x = 4

F(4) = 3(4)^2

= 3*16

= 48

Solution