Question

Bantuin gan mateik susah amattt

Answer 1

4. f(2)=2a+b=-7
f(-1)=-1a+b=5
________________-
3a. = -12
a. = -4
f(2)= 2a+b= -7
= 2(-4) +b =-7
= -8. + b = -7
= b = 1
rumus fungsi h(x)= -4x + 1

5. y-y1 = m(x-x1)
y-(-6)= 4(x-2)
y +6 = 4x -8
y = 4x -2. atau. 4x+y-2=0