Answers

2014-10-14T20:58:29+08:00
F(x)= (x+1)(x-7)
f(0)= (0+1)(0-7)
    = (1)(-7)
    = -7

f(x)= (x+1)(x-7)
f(1)= (1+1)(1-7)
     =(2)(-6)
     = -12

f(x)= (x+1)(x-7)
f(2)= (2+1)(2-7)
    = (3)(-5)
    = -15

f(x)= (x+1)(x-7)
f(3)= (3+1)(3-7)
   = (4)(-4)
   = -16

f(x)= (x+1)(x-7)
f(4)= (4+1)(4-7)
    = (5)(-3)
    = -15
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