Question

СРОЧНО СКОРО КОНЕЦ УРОКА

Answer 1

1
f(x)=-8x²
f(0)=-8*0=0
2
y=kx²  a(8;448)
k=y/x²=448/64=7
3
y=-4x
y(-4)=-4*(-4)=16
4
f(x)=1/4x²,g(x)=1/6x2
f(-7)/g(5)=49/4:25/6=49/4*6/25=294/100=2,94
5
f(x)=-3x²
f(3x²)=-3(3x²)²=-3*9x^4=-27x^4