Free brainliest for luck nonee ez kid ana dont say thank you unless u get it

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase