I am having trouble with these two problems for my Calc class. I have tried answering a few times already, but i keep getting it wrong. Help please and thank you.

Question

For the limit below, find values of δ that correspond to the ε values.

lim_(x->1)(3 + x - 3x^3) = 1

ε=0.5 (Round your answer to four decimal places.)
ε=0.01 (Round your answer to five decimal places.)

For the limit below, find values of δ that correspond to the M values. (Round your answers to four decimal places.)

lim_(x->pi/2) (tan(x))^2 = infinity

M=500
M=1000

Answer 1

zero