Solve for y in terms of x

(a) 3 - 2x - 2x²  (b) -21

Step-by-step explanation:

given, y +2x² = 3 -2x

make y the subject:

y = 3 - 2x - 2x²

if y = f(x)

then

f(x) = 3 - 2x - 2x²

(b) to find f(3) we need to replace x with 3:

3 - 2(3) - 2*(3)²

-21

s

step-by-step explanation:

no solution

step-by-step explanation:

there is not enough information in the problem to solve.