(a) Find the slope of `f(x) = 9x-3x^2` at the point `(-1, -12)`.

`m=`

(b) Find an equation for the line tangent at the point `(-1, -12)` in slope-intercept form.

`y=`  

Hint

Get help: Video

Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity

Box 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question