-$70 is her balance after withdrawing the forty dollars
Answer:
f(-2) =3
Step-by-step explanation:
f(x) = 9+3x
Let x=-2
f(-2) = 9+3(-2)
= 9-6
= 3
Answer:

Step-by-step explanation:
9x² + 6x – 17 = 0
Apply the quadratic formula

a = 9; b = 6; y = -17







The graph below shows the roots at x₁ =1.081 and x₂ = -1.748.