Answer:
(a) -∞ < x < ∞
Step-by-step explanation:
Unlike the square root function, the cube root function is defined for all values of its argument. Here, x can take on any value and the function will be defined for that value.
-∞ < x < ∞
gradient m is 2
the equation is y=mx+c therefore m is 2.
it the second and last answers pi(d) and 2pi(r)