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h(2) = a.2+b -> 2a+b=4
h(-2) = a -2+b -> -2a+b=-8
2a+b=4
-2a+b=-8
----------- -
4a = 12
a=3
2a+b= 4
2(3)+b=4
b=4-6
b=-2
b) h(x)= 3x-2
c) h(5) =3x-2
= 3(5)-2
= 13
d) h(a)=10
3a-2=10
3a= 12
a=4
4 = 2a + b
h(x) =ax+b, jk h(-2)= -8, mk:
-8 = -2a + b
subtitusikn,
-2a + b = -8
2a + b = 4 -
-4a = -12
a = 3
2a +b = 4
2(3) + b = 4
6 +b = 4
b = 4-6
b = -2
b. rumus fungsiny:
h = ax +b
h = 3x -2
h(a)= 10
10 = 3a -2
12 = 3a
a = 4
semoga mmbantu,
oy, numpang promot boleh, Nadya lg nyari anak les nih, mungkin adek mau???