Question

1. use the definition of continuity and the properties of limits to show that the function is continuous at a given number a

f(x) = (x + 2x^3)^4 a =-1

Answer 1

first , u should know the definition of continuity
for this question
lim (as x goes to a from the lefter side)f(x)=lim (as x goes to a)=lim (as x goes to x from righter side)

Answer 2

right