Question

1.One solutions of y=x^2+4x-2 is?
2.One solution of y=x^3+2x^2-1 is?
3.The increasing interval(s) of y=x^3+2x^2-1 is?
4.The increasing interval(s) of y=x^2+4x-2 is?

Answer 1

Did you try graphing 1 and 2?

Answer 2

That is the first one, goto https://www.desmos.com/calculator

graph it yourself, and touch where it intercepts the x axis, which are your solutions

Answer 3

^^2nd one

Answer 4

as for number 3 and increasing intervals

Answer 5

there would be 2 of them

Answer 6

the first one would be from negative infinity to -1 1/3

Answer 7

the 2nd would be from 0, to positive infinity