Answer: (0,-7)
Steps: To find y-intercept, substitute x=0
f(0)= -7-3×0+g×0^3 +0^2
Multiply & Evaluate powers
f(0)=-7-0+6×0+0
Remove zeros. Multiply.
f(0) -7+6×0 → f(0) -7+0
Remove the zero
f(0)=-7
Hope this helps ʕ•ᴥ•ʔ
