ZhiHeng
contestada

1st question: The equation 4+(3x)^2-x^3=k has 3 solutions for -2≤x≤4. State the range of values k.

2nd question: On same axes, draw the line y=4x+10 for -2≤x≤4 .

1st question The equation 43x2x3k has 3 solutions for 2x4 State the range of values k 2nd question On same axes draw the line y4x10 for 2x4 class=

Respuesta :

caylus
Hello,

I don't know how to do this! (if you know , say it.
I have drawn the curves for k=4 to 9
and we only have 3 solutions if 4<k<8
Ver imagen caylus