cari nilai p
f(2) = 10
7x + p = 10
(7 . 2) +p = 10
14 +p = 10
p= 10-14
p= -4
jadi rumusan fungsinya adalah
f(x) = 7x -4
nilai f(3)
= 7x -4
= (7 . 3) -4
= 21 -4
=17
nilai f(-2)
=7x -4
= (7 .(-2) -4
= -14 -4
= -18
nilai f(3) + f(-2)
=17 +(-18)
= -1
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= 14+p= 10
p=(-4)
f(3)=7 * 3 - 4
= 17
f(-2)= 7 * (-2) - 4
= -18
Jawabannya -1
cari nilai p
f(2) = 10
7x + p = 10
(7 . 2) +p = 10
14 +p = 10
p= 10-14
p= -4
jadi rumusan fungsinya adalah
f(x) = 7x -4
nilai f(3)
= 7x -4
= (7 . 3) -4
= 21 -4
=17
nilai f(-2)
=7x -4
= (7 .(-2) -4
= -14 -4
= -18
nilai f(3) + f(-2)
=17 +(-18)
= -1